DATA ANALYSIS QUESTIONS AND ANSWER - S LATEST
UPDATE
1. Statistics will do all of the following except:
i. describe data.
ii. design experiments.
iii. prove relationship.
iv. test hypotheses. - ANSWER – iii. prove relationship.
2. I have 50 names in a hat. I draw 10 names one at a time and replace the name before drawing each
time. What type of sampling is this?
ANSWER - -simple random sampling
3. I have a list of 100 names. I close my eyes and place my finger on the list. The name closest to my
finger tip is the first name selected. I then choose every 3rd name from this starting point until I
have 10 names for my sample. What type of sampling is represented?
ANSWER - systematic sampling
4. The statement, "Forty percent of the class is male and 60% is female" is what category of statistic?
ANSWER - descriptive
5. In preparing for survey research, which of the following should be considered first?
i. Decide what analysis is required to satisfy the aims of the study.
ii. Decide what data are required to facilitate the analysis.
iii. Correct Response
iv. Formulate the aims of the study.
v. Collect the data required by the survey. - ANSWER - iii) Formulate the aims of the
study.
6. Which sampling method is best for studying the effects of medical radiation exposure on the
general population in the United States?
ANSWER - -cluster sampling
7. The actual datum that is recorded is called
ANSWER - observations.
8. The students in this class represent which of the following in relation to the student body of MSU?
ANSWER – sample T/F
9. Simple random sampling can be used based on this section of the 4123 class roster
ANSWER - True
10. The data collected from one of five sections of 4123 Data Analysis would be considered which of
the following?
i. statistic
ii. parameter ANSWER - i) statistic
, 11. The number of apples to the number of oranges in a basket is considered what type of derived
variable?
ANSWER - ratio
12. Which of the following is considered the lowest level of data?
i. nominal
ii. interval
iii. ordinal
iv. ratio ANSWER - i) nominal
13. The phrase "8 out of 30 statistics students" represents what type of derived variable?
ANSWER - proportion
14. The phrase "50% of the class" represents what type of derived variable?
ANSWER - percentage
15. Gender is considered what level of data?
ANSWER - nominal
16. The commonly accepted level of precision is to have how many steps between the largest and
smallest observation?
ANSWER - 30 and 300
17. The order in which a group of horses finish a race represents what level of data?
ANSWER - ordinal
18. A researcher is recording the number of respirations per minute for her project. These
observations would be considered what level of data?
ANSWER - ratio
19. Scores on this statistics quiz would be classified as what level of data?
ANSWER - interval
20. Breaths per minute is considered what type of derived variable?
ANSWER - rate
21. The following represents scores obtained on a self-esteem inventory. What is the width of range
for this distribution of scores?
31, 41, 45, 48, 52, 55, 56, 56, 63, 65, 65, 67, 67, 70, 70, 74, 75, 78, 79, 79, 80, 81, 83, 85, 85, 87, 90,
92, 95, 99
ANSWER – 68
UPDATE
1. Statistics will do all of the following except:
i. describe data.
ii. design experiments.
iii. prove relationship.
iv. test hypotheses. - ANSWER – iii. prove relationship.
2. I have 50 names in a hat. I draw 10 names one at a time and replace the name before drawing each
time. What type of sampling is this?
ANSWER - -simple random sampling
3. I have a list of 100 names. I close my eyes and place my finger on the list. The name closest to my
finger tip is the first name selected. I then choose every 3rd name from this starting point until I
have 10 names for my sample. What type of sampling is represented?
ANSWER - systematic sampling
4. The statement, "Forty percent of the class is male and 60% is female" is what category of statistic?
ANSWER - descriptive
5. In preparing for survey research, which of the following should be considered first?
i. Decide what analysis is required to satisfy the aims of the study.
ii. Decide what data are required to facilitate the analysis.
iii. Correct Response
iv. Formulate the aims of the study.
v. Collect the data required by the survey. - ANSWER - iii) Formulate the aims of the
study.
6. Which sampling method is best for studying the effects of medical radiation exposure on the
general population in the United States?
ANSWER - -cluster sampling
7. The actual datum that is recorded is called
ANSWER - observations.
8. The students in this class represent which of the following in relation to the student body of MSU?
ANSWER – sample T/F
9. Simple random sampling can be used based on this section of the 4123 class roster
ANSWER - True
10. The data collected from one of five sections of 4123 Data Analysis would be considered which of
the following?
i. statistic
ii. parameter ANSWER - i) statistic
, 11. The number of apples to the number of oranges in a basket is considered what type of derived
variable?
ANSWER - ratio
12. Which of the following is considered the lowest level of data?
i. nominal
ii. interval
iii. ordinal
iv. ratio ANSWER - i) nominal
13. The phrase "8 out of 30 statistics students" represents what type of derived variable?
ANSWER - proportion
14. The phrase "50% of the class" represents what type of derived variable?
ANSWER - percentage
15. Gender is considered what level of data?
ANSWER - nominal
16. The commonly accepted level of precision is to have how many steps between the largest and
smallest observation?
ANSWER - 30 and 300
17. The order in which a group of horses finish a race represents what level of data?
ANSWER - ordinal
18. A researcher is recording the number of respirations per minute for her project. These
observations would be considered what level of data?
ANSWER - ratio
19. Scores on this statistics quiz would be classified as what level of data?
ANSWER - interval
20. Breaths per minute is considered what type of derived variable?
ANSWER - rate
21. The following represents scores obtained on a self-esteem inventory. What is the width of range
for this distribution of scores?
31, 41, 45, 48, 52, 55, 56, 56, 63, 65, 65, 67, 67, 70, 70, 74, 75, 78, 79, 79, 80, 81, 83, 85, 85, 87, 90,
92, 95, 99
ANSWER – 68
