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Statistics
Review of Visual Representation of Data
Warm-up
1) What percentage of women have a pulse rate below 94.5 bpm?
2) How many women have a pulse rate above 84.5 bpm
Agenda
Warm-up Homework Review Lesson-
Shapes of Distributions Review
Summary Homework
Shape of the DataShape of the Data
SymmetricSymmetric bell shapedbell shaped other symmetric shapesother symmetric shapes
AsymmetricAsymmetric right skewedright skewed left skewedleft skewed
Unimodal, bimodalUnimodal, bimodal
Symmetric Bell-ShapedSymmetric Bell-Shaped
Symmetric Mound-ShapedSymmetric Mound-Shaped
Symmetric UniformSymmetric Uniform
Asymmetric Skewed to the LeftAsymmetric Skewed to the Left
Asymmetric Skewed to the Asymmetric Skewed to the RightRight
OutliersOutliers
Extreme values that fall outside the overall Extreme values that fall outside the overall patternpattern May occur naturallyMay occur naturally May occur due to error in recordingMay occur due to error in recording May occur due to error in measuringMay occur due to error in measuring Observational unit may be fundamentally Observational unit may be fundamentally
differentdifferent
Find the class width:
A. 3
B. 4
C. 5
D. 19
Class Frequency, f
1 – 5 21
6 – 10 16
11 – 15 28
16 – 20 13
Find the class width:
A. 3
B. 4
C. 5
D. 19
Class Frequency, f
1 – 5 21
6 – 10 16
11 – 15 28
16 – 20 13
Estimate the frequency of the class with the greatest frequency.
A. 28
B. 21
C. 58
D. 53
Estimate the frequency of the class with the greatest frequency.
A. 28
B. 21
C. 58
D. 53
What is the maximum data entry?
A. 96
B. 38
C. 9
D. 41
3 8 94 0 2 7 5 1 1 4 86 3 3 3 8 9 9 7 0 0 1 1 2 4 7 8 8 8 8 98 2 2 3 4 7 7 8 9 99 1 1 4 5 6
Key: 3 | 8 = 38
What is the maximum data entry?
A. 96
B. 38
C. 9
D. 41
3 8 94 0 2 7 5 1 1 4 86 3 3 3 8 9 9 7 0 0 1 1 2 4 7 8 8 8 8 98 2 2 3 4 7 7 8 9 99 1 1 4 5 6
Key: 3 | 8 = 38
Identify the type of graph shown.
A. Bar Graph
B. Pie Chart
C. Pareto Chart
Identify the type of graph shown.
A. Bar Graph
B. Pie Chart
C. Pareto Chart
What percentage of college students get their information from television?
A. 181%
B. 32.9%
C. 45.3%
D. 60.3%
What percentage of college students get their information from television?
A. 181%
B. 32.9%
C. 45.3%
D. 60.3%
Which class has the highest frequency?
A. 53
B. 58
C. 18 – 22
D. 18 – 23 18 23 28 33 38 43 48 53 58
Which class has the highest frequency?
A. 53
B. 58
C. 18 – 22
D. 18 – 23 18 23 28 33 38 43 48 53 58
True or false: The distribution is skewed right.
A. True
B. False
18 23 28 33 38 43 48 53 58
True or false: The distribution is skewed right.
A. True
B. False
18 23 28 33 38 43 48 53 58
What is the minimum data entry?
A. 96
B. 38
C. 79
D. 56
3 8 94 0 2 7 5 1 1 4 86 3 3 3 8 9 9 7 0 0 1 1 2 4 7 8 8 8 8 98 2 2 3 4 7 7 8 9 99 1 1 4 5 6
Key: 3 | 8 = 38
What is the minimum data entry?
A. 96
B. 38
C. 79
D. 56
3 8 94 0 2 7 5 1 1 4 86 3 3 3 8 9 9 7 0 0 1 1 2 4 7 8 8 8 8 98 2 2 3 4 7 7 8 9 99 1 1 4 5 6
Key: 3 | 8 = 38
What percentage of students had a grade of 70 or above?
A. 37%
B. 63%
C. 69%
D. 32%
50 60 70 80 90 100
What percentage of students had a grade of 70 or above?
A. 37%
B. 63%
C. 69%
D. 32%
50 60 70 80 90 100
Summary Types of Visual Representation
Tables – Frequency Quantitative Data
Histograms Frequency Polygons Ogives Stem and Leaf Plots Scatter Plots
Qualitative Data Pie Charts Pareto Charts Time Series
Homework
Study for test