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CHAPTER 1 ASSIGNMENT
WHAT IS STATISTICS?
Name ___________________________________ Section __________ Score _________
Part I Classify the following sets of data as qualitative or quantitative.
_______________ 1. The religious affiliations of college students
_______________ 2. The height of each member of a basketball team
_______________ 3. Students scores on the first statistics exam
_______________ 4. The color of new S!s on a car lot
_______________ 5. The "lym#ic track and field world records$ such as the time for the
stee#lechase.
Part II Classify the following sets of data as continuous or discrete.
_______________ 6. The number of students enrolled in an accounting class
_______________ 7. The number of %eneral &lectric microwaves sold by 'ome (e#ot last month
_______________ 8. The acceleration time of an automobile
_______________ 9. The tem#erature of a refrigerator
_______________ 10. The number of #eo#le aboard a commercial air#lane
Part III )dentify the measurement scale as nominal$ ordinal$ interval$ or ratio for each of thefollowing.
_______________ 11. the tem#erature readings in *ashington$ (.C.
_______________ 12. brand of la#to# com#uter
_______________ 13. college ma+or
_______________ 14. military rank
_______________ 15. number of vehicles #roduced
_______________ 16. time required to download a com#uter file
_______________ 17. order of finish in the ,-- )ndiana#olis /-- auto race
_______________ 18. the color of the students hair in your statistics class
Chapter 1 What is Statistics?1
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_______________ 19. Scholastic 0#titude Test 1S.0.T.2 scores for incoming freshmen
_______________ 20. number of #eo#le at a board of directors meeting
Part IV Select the correct answer and
write the a##ro#riate letter in the s#ace #rovided.
______ 21. The collection of all #ossible individuals$ ob+ects$ or measurements is called
a. a sam#le.
b. a ratio measurement.c. an inference.d. a #o#ulation
______ 22. Techniques used to organi3e$ summari3e$ and #resent the data that have been collected arecalled
a. #o#ulations.b. sam#les.
c. descri#tive statistics.d. inferential statistics.
______ 23. 4uantitative variables
a always use the interval level of measurement.b always use the ratio level of measurement.c can not have 5ga#s6 between values.d are either discrete or continuous
______ 24. Techniques used to estimate something about a #o#ulation$ based on a sam#le$ are called
a. descri#tive statistics.b. inferential statistics.c. #o#ulations.d. sam#les.
______ 25. *hich of the following is not true of the interval scale7
a. the interval scale is used for ordered datab. equal differences in the characteristic lead to equal differences in the measurementc. the 3ero #oint on the interval scale re#resents the absence of the characteristicmeasuredd
. the interval scale is not used for numeric data
What is Statistics? Chapter 12