The following table summarizes responses from General Social

The following table summarizes responses from General Social Surveys in 1977 and in 2006 to the question,

Solution

H0: Past decades gender discrimination remain the same.

Ha: They are different.

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We can use chi square test for this.

?² = 307.569,     df = 1,     ?²/df = 307.57 ,         P(?² > 307.569) = 0.0000

expected values are displayed in italics
individual ?²values are displayed in (parentheses)

As p value = 0.00, reject null hypothesis.

There is difference among gender.