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Statisitics Chapter 1
供稿人: AL-Dulaimy
  • 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) Ordinal
B) Ratio
C) Interval
D) Nominal
  • 2. Variables with values that are determined by chance are called......
A) data set
B) Random variables
C) inconsistent variables
  • 3. Each value in a data set may be referred to as either a data value or a ...........
A) data subset
B) Datum
C) data poin
  • 4. If a variable has possible values 5, 2, 7, and 16, then this variable is.....
A) neither a continuous nor a discrete variable
B) a discrete variable
C) a continuous variable
  • 5. STATISTICS is the science of conducting studies to.......
A) solve a system of equations
B) monitor, study, and report on a subject.
C) collect, organize, summarize, analyze, and draw conclusions from data
D) hypothesize, experiment, and form conclusions
  • 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) nominal
B) interval
C) ratio
D) ordinal
  • 7. The amount of time needed to run the DUBAI marathon is an example of which type of variable?
A) qualitative
B) continuous
C) discrete
  • 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) Descriptive statistics
B) Inferential statistics
  • 9. What level of measurement possesses all the characteristics of interval measurement, and there exists a true zero?
A) Interval
B) Ordinal
C) Nominal
D) Ratio
  • 10. What level of measurement would be applied when doing a survey on the average American's shoe size?
A) Interval
B) Ordinal
C) Ratio
D) Nominal
  • 11. ............can be placed into distinct categories according to some characteristic or attribute.
A) Quantitative variables
B) Qualitative variables
  • 12. ............. are numerical in nature and can be ordered or ranked.
A) Qualitative variables
B) Quantitative variables
  • 13. the numbers in football team are measures at the ............ level
A) ratio
B) interval
C) ordinal
D) Nominal
  • 14. Rankings (1st, 2nd, 3rd) are measures at the ............ level
A) ordinal
B) Nominal
C) interval
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) ordinal level
B) nominal level
C) Interval level
D) ratio level
  • 17. ............ are the most common method of collecting data
A) Surveys
B) Random samples
  • 18. ................ are selected using chance methods
A) Random samples
B) cluster samples
C) systematic samples
D) stratified samples
  • 19. Researchers obtain ....................by numbering each subject of the populations and then selecting every kth number
A) stratified samples
B) systematic samples
C) Random samples
D) cluster 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) Random samples
D) cluster samples
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