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.
None of them
B.
Only interval
C.
Nominal and ordinal
D.
Only nominal
Question #2
What’s the z score for a 95% confidence interval?
A.
1.64
B.
2
C.
2.57
D.
1.96
E.
2.33
Question #3
A confidence interval estimates a range of values that the
A.
Pop. mean is probably beyond
B.
Pop. mean and Sample mean are probably beyond
C.
Sample mean is probably beyond
D.
Pop. mean is probably within
Question #4
What’s the confidence coefficient if 5% is in each tail?
A.
2.50%
B.
99%
C.
90%
D.
10%
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.
There might not be a significant difference between the licking/sucking power of students and professors
B.
Professors suck more or harder than students
C.
Students suck more or harder than professors
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