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Chapter 8 Quiz Answers
A hypothesis test is _____.
a.
a descriptive technique that allows researchers to describe a sample
b.
a descriptive technique that allows researchers to describe a population
c.
an inferential technique that uses the data from a sample to draw inferences about a
population
d.
an inferential technique that uses information about a population to make predictions
about a sample
The numerator of the zscore test statistic measures ______.
a.
the average distance between M and µ that would be expected if H
0
was true
b.
the actual distance between M and µ
c.
the position of the sample mean relative to the critical region
d.
whether or not there is a significant difference between M and µ
The critical region for a hypothesis test consists of ______.
a.
outcomes that have a very low probability if the null hypothesis is true
b.
outcomes that have a high probability if the null hypothesis is true
c.
outcomes that have a very low probability whether or not the null hypothesis is true
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This note was uploaded on 01/06/2012 for the course EDP 371 taught by Professor Pituch during the Fall '08 term at University of Texas at Austin.
 Fall '08
 PITUCH

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