- 1. What level of measurement classifies data into mutually exclusive (nonoverlapping), exhausting categories in which no order or ranking can be imposed on the data?
A) Ratio
B) Interval
C) Ordinal
D) Nominal
- 2. Variables with values that are determined by chance are called......
A) Random variables
B) inconsistent variables
C) data set
- 3. Each value in a data set may be referred to as either a data value or a ...........
A) Datum
B) data poin
C) data subset
- 4. If a variable has possible values 5, 2, 7, and 16, then this variable is.....
A) a discrete variable
B) neither a continuous nor a discrete variable
C) a continuous variable
- 5. STATISTICS is the science of conducting studies to.......
A) hypothesize, experiment, and form conclusions
B) collect, organize, summarize, analyze, and draw conclusions from data
C) solve a system of equations
D) monitor, study, and report on a subject.
- 6. If you classified the fruit in a basket as apple, orange, or banana, this would be an example of which level of measurement?
A) ordinal
B) interval
C) nominal
D) ratio
- 7. The amount of time needed to run the DUBAI marathon is an example of which type of variable?
A) discrete
B) continuous
C) qualitative
- 8. Which branch of statistics would buy a hundred Toyotas, drive them into the ground, record the final mileage, and then write a report for Car and Driver?
A) Inferential statistics
B) Descriptive statistics
- 9. What level of measurement possesses all the characteristics of interval measurement, and there exists a true zero?
A) Interval
B) Ordinal
C) Ratio
D) Nominal
- 10. What level of measurement would be applied when doing a survey on the average American's shoe size?
A) Ratio
B) Nominal
C) Interval
D) Ordinal
- 11. ............can be placed into distinct categories according to some characteristic or attribute.
A) Qualitative variables
B) Quantitative variables
- 12. ............. are numerical in nature and can be ordered or ranked.
A) Quantitative variables
B) Qualitative variables
- 13. the numbers in football team are measures at the ............ level
A) Nominal
B) ratio
C) interval
D) ordinal
- 14. Rankings (1st, 2nd, 3rd) are measures at the ............ level
A) interval
B) Nominal
C) ordinal
D) ratio
- 15. In interval measurement the distance between values DOES NOT have meaning.
A) False
B) True
- 16. Rain fall is an example of .......
A) Interval level
B) ratio level
C) ordinal level
D) nominal level
- 17. ............ are the most common method of collecting data
A) Random samples
B) Surveys
- 18. ................ are selected using chance methods
A) cluster samples
B) systematic samples
C) stratified samples
D) Random samples
- 19. Researchers obtain ....................by numbering each subject of the populations and then selecting every kth number
A) systematic samples
B) stratified samples
C) cluster samples
D) Random samples
- 20. Researchers select ..............by dividing the population into groups according to some characteristic that is important to the study, then sampling from each group.
A) systematic samples
B) stratified samples
C) cluster samples
D) Random samples
|