Consider the following contingency table of observed frequencies: a. Identify the null and alternative hypotheses for a
Question:
Consider the following contingency table of observed frequencies:
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 chisquare test statistic.
d. Using α = 0.01, state your conclusions.
e. Determine the pvalue using Excel and interpret its meaning.
Transcribed Image Text:
Column Variable C2 Row VariableC1 R1 C3 20 18 R3 10 15
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