We have presented a contingency table that gives a cross-classification of a random sample of values for
Question:
We have presented a contingency table that gives a cross-classification of a random sample of values for two variables, x and y, of a population. For each exercise, perform the following tasks.
a. Find the expected frequencies.
b. Determine the value of the chi-square statistic.
c. Decide at the 5% significance level whether the data provide sufficient evidence to conclude that the two variables are associated.
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a Calculate the expected frequencies using the formula ERCn where R row total C column total and n s...View the full answer
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