Soc 424 - Statistical Techn » Fall 2021 » Quiz 7

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Question #1
For which level(s) of measurement is a mean useful?
A.   Only nominal
B.   Nominal and ordinal
C.   None of them
D.   Only interval
Question #2
What’s the z score for a 95% confidence interval?
A.   1.64
B.   2.57
C.   2
D.   2.33
E.   1.96
Question #3
A confidence interval estimates a range of values that the
A.   Pop. mean is probably within
B.   Pop. mean and Sample mean are probably beyond
C.   Pop. mean is probably beyond
D.   Sample mean is probably beyond
Question #4
What’s the confidence coefficient if 5% is in each tail?
A.   10%
B.   90%
C.   99%
D.   2.50%
E.   95%
Question #5
If I’m 95% confident that it takes 3 to 8 licks for a student to get to the center of a Tootsie pop but it takes a professor 7 to 12, I can be 95% confident that, in the population…
A.   Professors suck more or harder than students
B.   There might not be a significant difference between the licking/sucking power of students and professors
C.   Students suck more or harder than professors

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