Consider the following contingency table of observed frequencies: Column Variable Row Variable C1 C2 C3 R1 9
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Consider the following contingency table of observed frequencies:
Column Variable Row Variable C1 C2 C3 R1 9 7 10 R2 10 7 7
a. Identify the null and alternative hypotheses for a chisquare test of independence based on the information in the table.
b. Calculate the expected frequencies for each cell in the contingency table.
c. Calculate the chi-square test statistic.
d. Using a = 0.05, state your conclusions.
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