Intro to Stats
Name.
MULTIPLE C H O I C E . Choose the one alternative that best completes the statement or answers the question.
Solve the problem. 1) The chances of winning the California Lottery are one chance in twenty-two mil l ion. Does this 1)
statement describe:
A) inferential statistics? B) descriptive statistics?
2) From past figures, it is predicted that 39% of the registered voters in California w i l l vote in the June 2) primary. Does this statement describe:
A) descriptive statistics? , B) inferential statistics?
3) There is a relationship between smoking cigarettes and getting emphysema. Does this statement 3) describe:
A) inferential statistics? B) descriptive statistics?
4) The average age of the students in a statistics class is 22 years. Does this statement describe: 4)
A) descriptive statistics? B) inferential statistics?
5) Classify the numbers on the shirts of a girl's soccer team as qualitative data or quantitative data. 5)
A) qualitative data B) quantitative data
6) Identify the level of measurement of the data listed on the horizontal axis in the graph. 6)
Internet Usage
q 2 4 -b5 2 0 -
16 -12 -
^ 8 -
13 25 37 48
Minutes online
73 85
A) ratio B) ordinal C) nominal D) interval
7) Identify the level of measurement for data that are the final grades (A, B, C, D, and F) for students 7) in a statistics class.
A) ordinal B) interval C) ratio D) nominal
8) Identify the level of measurement for data that are the ages of students in a statistic class.
A) ordinal B) interval C) nominal D) ratio
8)
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9) Identify the level of measurement for data that are the annual salaries for all teachers in California. 9)
A) interval B) nominal C) ordinal D) ratio
10) Identify the level of measurement for data that are the nationalities listed in a recent survey (for 10) example, Asian, European, or Hispanic).
A) nominal B) ratio ,. C) ordinal D) interval
11) Classify the colors of automobiles on a used car lot as qualitative data or quantitative data. 11)
A) qualitative data ^ . • B) quantitative data
12) A market researcher randomly selects 200 drivers under 35 years of age and 100 drivers over 35 12) years of age. What sampling technique was used?
A) cluster
B) random l C) systematic
D) convenience
E) stratified
13) A researcher randomly selects and interviews f i f ty male and fif ty female teachers. What sampling 13) technique is used?
A) stratified
B) convenience
C) cluster
D) random
E) systematic
14) Based on previous clients, a marriage counselor concludes that the majority of marriages that begin 14) wi th cohabitation before marriage w i l l result i n divorce. Does this statement describe inferential statistics or descriptive statistics?
A) inferential statistics B) descriptive statistics
15) What method of data collection would you use to collect data for a study where you w o u l d like to 15) determine the chance getting three girls in a family of three children?
A) use sampling B) perform an experiment
C) take a census D) use a simulation
16) To avoid working late, the quality control manager inspects the last 10 items produced that day. 16) What sampling technique was used?
A) convenience
B) cluster
C) systematic
D) random
E) stratified
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17) Based on 12,500 responses from 42,000 questionnaires sent to its alumni, a major university 17) estimated that the annual salary of its alumni was $96,500 per year. What sampling technique is used?
A) convenience
B) random
C) systematic ^ •<
D) stratified ,
E) cluster ^
18) Identify the level of measurement for data that are the years the summer Olympics were held in the 18) United States.
A) ratio B) ordinal C) interval D) nominal
19) Identify the level of measurement for data that are the ratings of a movie ranging from poor to 19) good to excellent.
A) ordinal B) ratio C) interval D) nominal
20) A community college student interviews everyone in a statistics class to determine who owns a car. 20) What sampling technique is used?
A) cluster
B) random
C) stratified
D) systematic
E) convenience
21) Identify the level of measurement for data that are the temperature of 22 refrigerators. 21)
A) ratio B) interval C) ordinal D) nominal
22) At a local community college, five statistics classes are randomly selected and all of the students 22) from each class are interviewed. What sampling technique is used?
A) cluster
B) stratified
C) convenience
D) systematic
E) random
23) The average daily temperatures (in degrees Fahrenheit) on five randomly selected days are given 23) below. Identify the level of measurement.
21 32 30 28 31
A) nominal B) ordinal C) interval D) ratio
24) To ensure customer satisfaction, every 35th phone call received by customer service w i l l be monitored. What sampling technique was used?
A) cluster
B) stratified
C) systematic
D) convenience > "
E) random
24)
25) Based on previous clients, a marriage counselor concludes that the majority of marriages that begin w i t h cohabitation before marriage w i l l result in divorce. Does this statement describe inferential statistics or descriptive statistics?
25)
A) inferential statistics ' B) descriptive statistics
26) Identify the level of measurement of the data listed on the horizontal axis in the graph.
Five Top-Selling Vehicles in January 2004
26)
70 n •a CO
^ 60 50 40 30 20 10
3 O
c
o to CO
o
>
62
o <u
41
28
I I
31 26
° "5.
A) ordinal B) nominal C) interval D) ratio
27) What method of data collection would you use to collect data for a study where a political pollster 27) wishes to determine if his candidate is leading i n the polls?
A) use a simulation B) use sampling
C) take a census D) perform an experiment
28) Every fifth teenager entering a concert is checked for possession of drugs. What sampling 28) technique is used?
A) conveiuence
B) cluster
C) stratified
D) random
E) systematic
29) Identify the level of measurement for data that can be classified by marriage status (married, single, 29) or divorced.) \
A) interval B) ratio C) nominal D) ordinal
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30) What method of data collection would you use to collect data for a study where a drug was given 30) to 57 patients and a placebo to another group of 57 patients to determine if the drug has an effect on a patient's illness?
A) use a simulation B) take a census
C) use sampling D) perform an experiment
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