a.
Find the hypotheses in a chi-square test for independence.
a.
Explanation of Solution
The test hypotheses are given below:
Null hypothesis:
Alternative hypothesis:
b.
Explain why it is known as test of frequencies.
b.
Explanation of Solution
The chi-square test for independence is a test based on frequencies. Thus, it is known as test of frequencies.
c.
Find the distribution that is used in this test.
c.
Explanation of Solution
In chi-square test for independence, the shape of the population from which the sample has taken is not specified. Therefore it called distribution free test.
d.
Find the degrees of freedom for a
d.
Explanation of Solution
The degrees of freedom for a
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