Question: Referring to Applied Example 11. 7: a. Express the percentage of Americans who prefer baked to other by region as a 2 = 4 contingency

Referring to Applied Example 11. 7:
a. Express the percentage of Americans who “prefer baked” to “other” by region as a 2 = 4 contingency table.
b. Explain why the following question could be tested using the chi-square statistic: “Is the preference for baked the same in all four regions of the United States?”
c. Explain why this is a test of homogeneity.

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