1. Which of the following statementsinvolve descriptive statistics as opposed to

Question

1.     Which of the following statementsinvolve descriptive statistics as opposed to inferentialstatistics?

a.    The Alcohol, Tobacco and FirearmsDepartment reported that Houston had 1,791 registered gun dealersin 1997.

b.  Based on a survey of 400 magazine readers, themagazine reports that 45% of its readers prefer double columnarticles.

c.  The FAA samples 500 traffic controllers in orderto estimate the percent retiring due to job stress relatedillness.

d.   Based on a sample of 300 professionaltennis players, a tennis magazine reportedthat      25% of the parents of allprofessional tennis players did not play tennis.

2.   Which of the following statements involveinferential statistics as opposed to descriptive statistics?

a.  The Alcohol, Tobacco and Firearms Departmentreported that Houston had 1,791 registered gun dealers in 1997.

b.  The FAA reported there were 200 near misses amongairplanes last year.

c.  A class of fifty statistics students earned anaverage grade of 75.5.
Based on a sample of 500 subscribers, a local cable systemestimates that forty percent of its subscribers watch a premiumchannel at least once per day.

3. A summary measure that is computed from a population iscalled
1. a parameter
2. a statistic

3. a population
4. inferential statistics

4. Smith graduated from Iowa with a code value = 2 whileProfessor Jackson graduated from Michigan State with a code value =3. The scale of measurement likely represented by this informationis:
a. descriptive
b. nominal
c. ordinal
d. interval

Explanation / Answer

Which of the following statements involve descriptive statistics asopposed to inferential statistics?

a. Desc

b. Infer

c. INfer.

d.   Infer

2.   Which of the following statements involveinferential statistics as opposed to descriptive statistics?

a. Desc

b.  Desc

c.  desc
d infer

3. A summary measure that is computed from a population iscalled.
2. a statistic

4.
c. ordinal

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