Question 1
A meteorologist constructs a graph showing the total precipitation in Phoenix, Arizona in each of the months of 1998. Does this involve descriptive statistics or inferential statistics?
◦ Descriptive
◦ Inferential
Question 2
Thirty of the 198 students enrolled in Statistics 101 were asked if they wanted Exam II to be a
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or an
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assessment. Twenty, or about 67%, of the students polled indicated a preference for an
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exam. The professor concluded that the majority of students in Statistics 101 would prefer an
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examination for the second assessment. Did the professor perform a descriptive study or an inferential study?
◦ Descriptive
◦ Inferential