Question

In Exercise 11.5 when you used the GSS to download a 3 × 3 table for marital happiness and family income in 2008, you should have obtained results similar to the table shown below.
a. State the null and alternative hypotheses for the test.
b. How large a X2 value would give a P-value of exactly 0.05?
c. The chi-squared statistic for the table equals 12.837. Find and interpret the P-value.
d. State your decision for a significance level of 0.05, and interpret in context.


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  • CreatedSeptember 11, 2015
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