1
MAP/Econ 276 Chapter 12 Part 2 Exam Review Questions
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
1.
TEST OF INDEPENDENCE
a.
XX
b.
XX
2.
An important application of the chisquare distribution is
a.
making inferences about a single population variance
b.
testing for goodness of fit
c.
testing for the independence of two variables
d.
All of these alternatives are correct.
3.
The number of degrees of freedom for the appropriate chisquare distribution in a test of independence is
a.
n
1
b.
k
1
c.
number of rows minus 1 times number of columns minus 1
d.
a chisquare distribution is not used
4.
In order not to violate the requirements necessary to use the chisquare distribution, each expected frequency
in a test of independence must be
a.
at least 5
b.
at least 10
c.
no more than 5
d.
less than 2
5.
A test of independence is always conducted as a
a.
lowertail test
b.
uppertail test
c.
middle test
d.
None of these alternatives is correct.
6.
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 Spring '08
 Dalton
 Variance, Chisquare distribution

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