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ura esearc et o o ogyura esearc et o o ogy
PGP ABM IIPGP ABM II
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Data Pre arationData Pre aration
CodebookCodebook
Deciding on the data formatDeciding on the data format Data entryData entry
Data cleaningData cleaning
Handling missing dataHandling missing data
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Data Anal sisData Anal sis
UnivariateUnivariate DescriptiveDescriptive
InferentialInferential
BivariateBivariate
InferentialInferential
MultivariateMultivariate
DescriptiveDescriptive
InferentialInferential
To a large extent depends on level of measurementTo a large extent depends on level of measurement
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Univariate Descri tive StatisticsUnivariate Descri tive Statistics
Fre uenc distributionFre uenc distribution
Measures of central tendencyMeasures of central tendency ModeMode
MedianMedian
MeanMean Measures of dispersionMeasures of dispersion
RangeRange
Average absolute deviationAverage absolute deviation Variance & Standard deviationVariance & Standard deviation
rr uu
Standardized ScoresStandardized Scores
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Univariate Descri tive StatisticsUnivariate Descri tive Statistics
How many observations occur in each responseHow many observations occur in each response
category of the variable. FD is a table of thecategory of the variable. FD is a table of theoutcomes, or response categories, of a variableoutcomes, or response categories, of a variable
and the number of times each outcome isand the number of times each outcome is..
Relative FDRelative FD
PercentPercent
Cumulative frequencyCumulative frequency
Cumulative percentCumulative percent
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Univariate Descri tive StatisticsUnivariate Descri tive StatisticsFrequency distributionFrequency distribution
Statistics
Interest in Movies
1504
13
Valid
Missing
N
Interest in Movies
Frequency Percent Valid Percent
Cumulative
Percent
467 30.8 31.1 31.1872 57.5 58.0 89.0
165 10.9 11.0 100.0
1504 99.1 100.0
Great InterestSome Interest
No Interest
Total
Valid
13 .9
1517 100.0
NAMissing
Total
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Univariate Descri tive StatisticsUnivariate Descri tive Statistics
Grouped data is the data that have been collapsedGrouped data is the data that have been collapsed
into a smaller number of categories. Constructing ainto a smaller number of categories. Constructing afrequency distribution for a continuous variablefrequency distribution for a continuous variable
first requires grouped data.first requires grouped data.
The process of grouping continuous variables fromThe process of grouping continuous variables fromman initial values into fewer cate ories is calledman initial values into fewer cate ories is called
recoding.recoding.
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Univariate Descri tive StatisticsUnivariate Descri tive StatisticsHighest Year of School Completed
Cumulative
Grouped DistributionGrouped Distribution
2 .1 .1 .15 .3 .3 .5
5 .3 .3 .8
6 .4 .4 1.2
03
4
5
Valid
Frequency Percent Valid Percent Percent
Statistics
12 .8 .8 2.0
25 1.6 1.7 3.6
68 4.5 4.5 8.1
56 3.7 3.7 11.9
73 4.8 4.8 16.7
6
7
8
9
10
1510
7
Valid
Missing
N. . .
461 30.4 30.5 52.8
130 8.6 8.6 61.5
175 11.5 11.6 73.0
73 4.8 4.8 77.9
12
13
14
15
. . .
43 2.8 2.8 93.6
45 3.0 3.0 96.6
22 1.5 1.5 98.0
30 2.0 2.0 100.0
17
18
19
20
Total . .
7 .5
1517 100.0
NAMissing
Total
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Univariate Descri tive StatisticsUnivariate Descri tive StatisticsGrouped DistributionGrouped Distribution
Statistics Highest years of School ing - Recoded
Highest Year of School Com
1510
7
Valid
Missing
N
18 1.2 1.2 1.2
234 15.4 15.5 16.7924 60.9 61.2 77.9
1 (0-5)
2 (6-10)3 11-15
Valid
Frequency Percent Valid Percent
Cumulative
Percent
334 22.0 22.1 100.0
1510 99.5 100.0
7 .5
1517 100.0
4 (16-20)
Total
SystemMissing
Total
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Univariate Descri tive StatisticsUnivariate Descri tive Statistics
The category among the K categories in aThe category among the K categories in a
observations.observations.
A distribution may be bimodal.A distribution may be bimodal.
Mode is central tendency statistic applicable toMode is central tendency statistic applicable tonominal, ordinal, & interval variables.nominal, ordinal, & interval variables.
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Univariate Descri tive StatisticsUnivariate Descri tive Statistics
The median is the outcome that divides an orderedThe median is the outcome that divides an ordered
have scores above the median value and half willhave scores above the median value and half will
have scores below the median.have scores below the median. For a grouped frequency distribution the median isFor a grouped frequency distribution the median is
the value of that category at which the cumulativethe value of that category at which the cumulative
Mode is central tendency statistic applicable toMode is central tendency statistic applicable toordinal & interval variablesordinal & interval variables
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Univariate Descri tive StatisticsUnivariate Descri tive Statistics
The arithmetic average of a set of data in which the valuesThe arithmetic average of a set of data in which the valuesof all observations are added together and divided by theof all observations are added together and divided by the
..
Y
Y i=
Mean of grouped frequency distribution:Mean of grouped frequency distribution:k
NY i
ii
== 1
fi =The frequency of cases with score Yi
K =The no. of categories in the distribution
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Univariate Descri tive StatisticsUnivariate Descri tive Statistics
The difference between the largest and smallestThe difference between the largest and smallestscores in a distribution.scores in a distribution.
The mean of the absolute values of the differenceThe mean of the absolute values of the difference
between a set of continuous measures and theirbetween a set of continuous measures and their
mean.mean.di
AADMM
=
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Univariate Descri tive StatisticsUnivariate Descri tive Statistics
Variance is the mean squared deviation of aVariance is the mean squared deviation of a
continuous distribution.continuous distribution.N
2
2 i 1Y
(Yi Y)
S =
=
Standard deviation is the square root of theStandard deviation is the square root of the
2
YY SS =
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Univariate Descri tive StatisticsUnivariate Descri tive Statistics
Is the outcome or score below which a givenIs the outcome or score below which a givenpercentage of the observations falls.percentage of the observations falls.
e me ian is t e 50e me ian is t e 50 percenti e.percenti e.
Quantiles:Quantiles: v s on o o serva ons n o groups w nownv s on o o serva ons n o groups w nown
proportions in each group.proportions in each group.
Percentiles divide observations into 100 equalPercentiles divide observations into 100 equal
groupsgroups Quartiles divide the observations into 4 equalQuartiles divide the observations into 4 equal
groups, and Deciles into 10 equal groupsgroups, and Deciles into 10 equal groups
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Univariate Descri tive StatisticsUnivariate Descri tive Statistics
DecilesDecilesa s cs
Highest Year of School Completed
1510ValidN
9.00
11.00
12.00
10
20
25
Percentiles
12.00
12.00
12.00
13.00
30
40
50
60
14.00
15.00
16.00
70
75
80
.
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Univariate Descri tive StatisticsUnivariate Descri tive Statistics
A transformation of the scores of a continuousA transformation of the scores of a continuous
frequency distribution by subtracting the meanfrequency distribution by subtracting the meanfrom each outcome and dividing by thefrom each outcome and dividing by thestandard deviation.standard deviation.
..
Mean of Z scores equals zero and variance andMean of Z scores equals zero and variance andstandard deviation e ual 1.standard deviation e ual 1.
ii
)Y(YZ
=
y
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INFERENTIAL ANALYSISINFERENTIAL ANALYSIS
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Inferential Analysis: From Sample toInferential Analysis: From Sample to
studying the characteristics of a samplestudying the characteristics of a sample..
Major objective is to draw inferencesMajor objective is to draw inferences
sample was drawn.sample was drawn.
amp e s a s c s use or es ma on oamp e s a s c s use or es ma on othe population parameterthe population parameter
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Po ulation and Sam le descri tionsPo ulation and Sam le descri tions
NameName Sample StatisticSample Statistic Population ParametersPopulation Parameters
MeanMeanN
YY
i=
=
==k
1i
iiY )p(YYE(Y)
VarianceVariance
1N
)Y(Yi
S
N
1i
2
2
Y
=
=
=
==k
1i
i
2
ii
2
y
2 )p(Y)(Y)E(Y
StandardStandardDeviationDeviation
2
YY SS =2
YY =
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Inferential StatisticsInferential Statistics
Making interval estimatesMaking interval estimates
Let us first clarify some basic concepts
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Basic Probabilit Conce tsBasic Probabilit Conce ts
,,
each of which has an associatedeach of which has an associated..
In deck of cardsIn deck of cards
Probabilit of randoml drawin a card from theProbabilit of randoml drawin a card from theheart suit is 13/52 or (0.25).heart suit is 13/52 or (0.25).
Probability of randomly drawing an ace of spadesProbability of randomly drawing an ace of spades
s . .s . .If an outcome cannot occur it has a probability ofIf an outcome cannot occur it has a probability of
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Basic Probabilit Conce tsBasic Probabilit Conce ts
A probability distribution for a continuous variable,A probability distribution for a continuous variable,
with no interruptions or spaces between thewith no interruptions or spaces between theoutcomes of the variable.outcomes of the variable.
p(Y)
P(a Yb) =
a b Y
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Normal Distribution & Confidence IntervalsNormal Distribution & Confidence Intervals. . . .. . . .
Mean = 3.75S.D. = 0.25
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Sam lin DistributionSam lin Distribution
If all possible random samples ofIf all possible random samples ofNNare drawnare drawn
from any population with meanfrom any population with mean and varianceand variance
22yy, then as, then as NNgrows large, these sample meansgrows large, these sample means
approach aapproach a normal distributionnormal distribution, with mean, with meanyy
andand22 yy ..
he h othetical distribution of all ossiblehe h othetical distribution of all ossible
(infinite) means for samples of size(infinite) means for samples of size NNis called theis called thesampling distributionsampling distribution of sample means.of sample means.
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Sampling DistributionSampling Distribution (Source: http://trochim.human.cornell.edu/kb/sampstat.htm)(Source: http://trochim.human.cornell.edu/kb/sampstat.htm)
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Sampling DistributionSampling Distribution
Standard deviation of the sampling distribution is referredStandard deviation of the sampling distribution is referredto as the Standard Error. It indicates distribution pattern ofto as the Standard Error. It indicates distribution pattern of
..
N
YY
=
Sampling Error:Sampling Error: Standard error in the sam lin context is called Sam linStandard error in the sam lin context is called Sam lin
Error.Error.
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Confidence IntervalsConfidence Intervals
but know the distribution of the samplebut know the distribution of the sample
our sample and calculate our sample and calculate standard errorstandard error..
the sampling distribution in order tothe sampling distribution in order to
population parameter.population parameter.
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Confidence IntervalsConfidence Intervals (Source: http://trochim.human.cornell.edu/kb/sampstat.htm(Source: http://trochim.human.cornell.edu/kb/sampstat.htm
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Inferential StatisticsInferential Statistics
Making interval estimatesMaking interval estimates
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Significance Tests:Significance Tests: Nominal & Ordinal VariablesNominal & Ordinal Variables
Government should provide electricity free of costto the farmers
Agree Disagree
Population assumption of no differencePopulation assumption of no difference 50%50% 50%50%
Sam le observationSam le observation 47%47% 53%53%
The sample is unrepresentative. The discrepancy in our assumption andsample observation is due to sampling error.
Our assumption (null hypothesis) of equal split in the population is
incorrect.
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Significance Tests:Significance Tests: Nominal & Ordinal VariablesNominal & Ordinal Variables
Binomial test for dichotomous variablesBinomial test for dichotomous variables
Binomial test of statistical significance is the estimate ofBinomial test of statistical significance is the estimate ofthe likelihood of obtaining a random sample in whichthe likelihood of obtaining a random sample in whichsampling error produced a difference between categoriessampling error produced a difference between categories
as big as we have observed (as big as we have observed (53/4753/47).). The figure obtained in this test range from 0.00 to 1.00The figure obtained in this test range from 0.00 to 1.00
and are calledand are called significance levelssignificance levels..
,,
that observed percentage differences reflect realthat observed percentage differences reflect realdifferences in the population.differences in the population.
population proportions.population proportions.
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Significance Tests:Significance Tests: Nominal & Ordinal VariablesNominal & Ordinal Variables
One sam le chiOne sam le chi--s uare tests uare test
Is used for testing differences across the categories of a variableIs used for testing differences across the categories of a variablewith three or more categories.with three or more categories.
Farmers Orientation towards Farming Business Subsistence Others
.. .. ..
Sample observation (332)Sample observation (332) 33.1%33.1% 37.0%37.0% 29.8%29.8%
ChiChi--square 2.6 (p=0.27)square 2.6 (p=0.27)
There is a 27% chance that the difference across categories are due toThere is a 27% chance that the difference across categories are due tosamp ing error. T ere ore continue wit t esamp ing error. T ere ore continue wit t e null hypothesisnull hypothesist at eac va uet at eac va ueorientation is equally prevalent.orientation is equally prevalent.
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Interval Estimates:Interval Estimates: Nominal & Ordinal VariablesNominal & Ordinal Variables
pattern will hold in the population, intervalpattern will hold in the population, intervalestimate procedures calculate the likely marginestimate procedures calculate the likely marginor error in the sample figures.or error in the sample figures.
Suppose in a survey 35% of the respondentsSuppose in a survey 35% of the respondentsview view farmingfarming as a as a way of lifeway of life. What is the. What is thelikely margin of error of this estimate? How closelikely margin of error of this estimate? How close
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Interval Estimates:Interval Estimates: Nominal & Ordinal VariablesNominal & Ordinal Variables
Com uteCom ute standard errorstandard error of the binomial:of the binomial:
PQSB =
SB = Std. error for the binomial distributionP = Per cent in the category of interest
Q = Per cent in the remaining category(ies).
Confidence interval = PSB
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Si nificance Tests:Si nificance Tests: Interval VariablesInterval Variables
--
significance can be used for interval data.significance can be used for interval data.
limit our analysis to examination oflimit our analysis to examination of
..
We can test whether the sample meanWe can test whether the sample mean
population mean.population mean.
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Si nificance Tests:Si nificance Tests: Interval VariablesInterval Variables
--
Average Annual income
People)People)
..
Known population meanKnown population mean Rs. 38922Rs. 38922
known population meanknown population mean
TT--test significance leveltest significance level 0.0000.000
people and that of the general population ispeople and that of the general population issufficiently large for a sample of this sizesufficiently large for a sample of this sizethat it almost certainly reflects a realthat it almost certainly reflects a realpopulation difference rather than being duepopulation difference rather than being dueto sampling errorto sampling error
Source: de vaus (2002)
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Interval Estimates:Interval Estimates: Interval VariablesInterval Variables
Usin the same eneral lo ic as with nominalUsin the same eneral lo ic as with nominal
and ordinal variables we estimate the marginand ordinal variables we estimate the marginof error. However, in place of percentages,of error. However, in place of percentages,
means.means.
N
sSM =
SM = Std. error of the mean= .
N = No. of cases in the sample
Confidence interval = PSM
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Bivariate Analysis:Bivariate Analysis: Nominal & Ordinal VariablesNominal & Ordinal Variables
BivariateBivariate anal sis rovides a s stematic wa ofanal sis rovides a s stematic wa of
measuring whether two variables are associatedmeasuring whether two variables are associated(related).(related).
UsingUsing univariateunivariate analysis we establishedanalysis we establishedvariation among people;variation among people; bivariatebivariate analysisanalysis
..
If two variables are associated then knowing aIf two variables are associated then knowing a
improves our prediction about otherimproves our prediction about othercharacteristics of that person.characteristics of that person.
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Bivariate Analysis:Bivariate Analysis: Nominal & Ordinal VariablesNominal & Ordinal Variables
Frequency Distributions
Importance of Crop Insurance
Cumulative
StatisticsImportance of Crop Insurance
836 46.4 46.4 46.4
574 31.9 31.9 78.2
132 7.3 7.3 85.6
62 3.4 3.4 89.0
198 11.0 11.0 100.0
VERY IMPORTANT
FAIRLY IMPORTANT
OF LITTLE IMPORTANCE
OF NO IMPORTANCE
DONT KNOW
Valid
Frequency Percent Valid Percent Percent
1802
0
2.01
2.00
1
Valid
Missing
N
Mean
Median
Mode
SEX
1802 100.0 100.0Total1.290Std. Deviation
SEX1802
0
2
Valid
Missing
N
Mode
842 46.7 46.7 46.7
960 53.3 53.3 100.0
1802 100.0 100.0
MALE
FEMALE
Total
Valid
Frequency Percent Valid Percent
Cumulative
Percent
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Bivariate Analysis:Bivariate Analysis: Nominal & Ordinal VariablesNominal & Ordinal Variables
CrossCross--tabulationstabulations
Importance of Crop Insurance * SEX
Independent Var.Count or cell freq.
Count
MALE FEMALE
SEX
Total
432 404 836
241 333 574
54 78 132
VERY IMPORTANT
FAIRLY IMPORTANT
OF LITTLE IMPORTANCE
Dependent Var.
89 109 198842 960 1802
DONT KNOWTotal
Row Marginals
Bivariate Analysis:Bivariate Analysis: Nominal & Ordinal VariablesNominal & Ordinal Variables
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*
Bivariate Analysis:Bivariate Analysis: Nominal & Ordinal VariablesNominal & Ordinal Variables
u
432 404 836
51.7% 48.3% 100.0%
Count
% within CROP
IINSURANCE
IMPORTANCE
VERY IMPORTANT
MALE FEMALE
SEX
Total
51.3% 42.1% 46.4%
24.0% 22.4% 46.4%
241 333 574
42.0% 58.0% 100.0%
% within SEX
% of Total
Count
% within CROP
IINSURANCE
IMPORTANCE
% within SEX
FAIRLY IMPORTANT
Column percent
Row percent
. . .
13.4% 18.5% 31.9%
54 78 132
40.9% 59.1% 100.0%
6.4% 8.1% 7.3%
% of Total
Count
% within CROP
IINSURANCE
IMPORTANCE
% within SEX
OF LITTLE IMPORTANCETotal percent
. . .
26 36 62
41.9% 58.1% 100.0%
3.1% 3.8% 3.4%
1.4% 2.0% 3.4%
Count
% within CROP
IINSURANCE
TOIMPORTANCE
% within SEX
% of Total
OF NO IMPORTANCE
1 1
44.9% 55.1% 100.0%
10.6% 11.4% 11.0%
4.9% 6.0% 11.0%
842 960 1802
oun
% within CROP
IINSURANCE
TOIMPORTANCE
% within SEX
% of Total
Count
Total
46.7% 53.3% 100.0%
100.0% 100.0% 100.0%
46.7% 53.3% 100.0%
% within CROP
IINSURANCE
TOIMPORTANCE
% within SEX
% of Total
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Bivariate Analysis:Bivariate Analysis: Nominal & Ordinal VariablesNominal & Ordinal Variables
CrossCross--tabulationstabulations
CROP INSURANCE IMPORTANCE* SEX Crosstabulation
SEX
432 404 836
51.3% 42.1% 46.4%
241 333 574
28.6% 34.7% 31.9%
Count
% within SEX
Count
% within SEX
1
2
o a
54 78 132
6.4% 8.1% 7.3%
26 36 62
3.1% 3.8% 3.4%
Count
% within SEX
Count
% within SEX
3
4
89 109 198
10.6% 11.4% 11.0%
842 960 1802
100.0% 100.0% 100.0%
Count
% within SEX
Count
% within SEX
5
Total
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Bivariate Analysis:Bivariate Analysis: Nominal & Ordinal VariablesNominal & Ordinal Variables
--
independent, the formula for the expectedindependent, the formula for the expectedfrequency in rowfrequency in row iiand columnand columnjjis:is:
))(f(ff .ji.=)
marginalrowiin thetotalthef
columnjthe&rowitheincelltheoffrequencyexpectedthef
N
th
i.
thth
ij
=
=)
tableentirefor thesizesampleortotal,grandtheNmarginalcolumnjin thetotalthef
th
.j
=
=
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Bivariate Analysis:Bivariate Analysis: Nominal & Ordinal VariablesNominal & Ordinal Variables
The chiThe chi--square test statistic summarizes the differences across thesquare test statistic summarizes the differences across thecells between the observed frequencies and the expectedcells between the observed frequencies and the expected
frequencies. Chifrequencies. Chi--square is calculated by the formula:square is calculated by the formula:R C )2O(E
= =
=1i 1j ijE
Eij
= The expected frequency in the ith row, jthcolumn under independence.= .
C = The number columns in the cross-tabulation.R = The number of rows in the cross tabulation
-
at the relevant degrees of freedom. If the computed chi-squarestatistic is greater than the critical value at an acceptablesignificance level, reject the null hypothesis
df = (R-1)(C-1)
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Bivariate Analysis:Bivariate Analysis: Nominal & Ordinal VariablesNominal & Ordinal VariablesHow often go market * SEX Crosstabulation
432 404 836Count1
MALE FEMALE
SEX
Total
. . .
51.3% 42.1% 46.4%
241 333 574
268.2 305.8 574.0
28.6% 34.7% 31.9%
54 78 132
% within SEX
Count
Expected Count
% within SEX
Count
2
3
61.7 70.3 132.0
6.4% 8.1% 7.3%
26 36 62
29.0 33.0 62.0
3.1% 3.8% 3.4%
89 109 198
xpec e oun
% within SEX
Count
Expected Count
% within SEX
Count
4
5
92.5 105.5 198.0
10.6% 11.4% 11.0%
842 960 1802
842.0 960.0 1802.0
100.0% 100.0% 100.0%
Expected Count
% within SEX
Count
Expected Count
% within SEX
Total
Chi-Square Tests
16.022a 4 .003
16.047 4 .003
Pearson Chi-Square
Likelihood Ratio
Value df
Asymp. Sig.
(2-sided)
5.753 1 .016
1802
- -
Association
N of Valid Cases
0 cells (.0%) have expected count less than 5. The
minimum expected count is 28.97.
a.
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Bivariate Analysis:Bivariate Analysis: Interval VariablesInterval Variables
apply methods of nominal or ordinalapply methods of nominal or ordinal..
Colla se the cate ories orColla se the cate ories or Use techniques that can handle a large number ofUse techniques that can handle a large number of
numeric valuesnumeric values
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Bivariate Anal sis:Bivariate Anal sis: Interval VariablesInterval Variables
Cannot use powerful statistical toolsCannot use powerful statistical tools
,
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Bivariate Anal sis:Bivariate Anal sis: Interval VariablesInterval Variables
De endent: interval Inde endent: dichotomousDe endent: interval Inde endent: dichotomous
Comparison ofComparison of MeansMeans: t: t--testtest
ase rocess ng ummary
N Percent N Percent N Percent
Included Excluded Total
Cases
40081 65.9% 20708 34.1% 60789 100.0%
Amount spent on
nature related activity *
Sex of the respondent
Amount spent on nature related activity
992.42 19560 3659.611
Sex of the respondent
Male
Mean N Std. Deviation
464.21 20521 2260.503
721.98 40081 3036.691
Female
Total
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Bivariate Anal sis:Bivariate Anal sis: Interval VariablesInterval Variables
De endent: interval Inde endent: dichotomousDe endent: interval Inde endent: dichotomous
Comparison ofComparison of MeansMeans: t: t--testtest
19560 992.42 3659.611 26.167
Sex of the respondent
MaleAmount spent on
N Mean Std. Deviation
Std. Error
Mean
. . .ema e
Independent Samples Test
Levene's Test for
F Sig.
Equality of
Variances
t df Sig. (2-tailed)
Mean
Difference
Std. Error
Difference Lower Upper
95% Confidence
Interval of the
Difference
t-test for Equality of Means
456.503 .000 17.473 40079 .000 528.20 30.230 468.952 587.457
17.286 32300.106 .000 528.20 30.557 468.312 588.097
assumed
Equal variances
not assumed
nature related activity
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Bivariate Anal sis:Bivariate Anal sis: Interval VariablesInterval Variables
Pearsons Correlation coefficientPearsons Correlation coefficient
Correlations
Amount spent
1 -.032**
. .000
Pearson Correlation
Sig. (2-tailed)
Weekly earnings
ee y
earnings
on na ure
related activity
-.032** 1.000 .
40081 40081
Pearson CorrelationSig. (2-tailed)
N
Amount spent onnature related activity
** orre a on s s gn can a e . eve - a e ..
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Bivariate Anal sis:Bivariate Anal sis: Interval VariablesInterval Variables
Dependent: interval, Independent: intervalDependent: interval, Independent: interval
Correlations
Pearsons Correlation coefficientPearsons Correlation coefficient
1 -.032** .022Pearson CorrelationWeekly earnings
Weekly
earnings
Amount spent
on nature
related activity
Total spent on
membership
fees, donation
. .000 .215
60789 40081 3317
-.032** 1 .109**
.000 . .000
Sig. (2-tailed)
N
Pearson Correlation
Sig. (2-tailed)
Amount spent on
nature related activity
40081 40081 3317
.022 .109** 1
.215 .000 .
N
Pearson Correlation
Sig. (2-tailed)
N
Total spent on
membership fees,
donation
3317 3317 3317
Correlation is significant at the 0.01 level (2-tailed).**.