Question: In Exercises 24, 26, 28, and 30, we considered data on articles in the NEJM. The original study listed 23 different statistics methods. (The list

In Exercises 24, 26, 28, and 30, we considered data on articles in the NEJM. The original study listed 23 different statistics methods. (The list read: t-tests, contingency tables, linear regression, . . . .) Why would it not be appropriate to use a chi-square test on the 23 x 3 table with a row for each method?

Data From Exercise 26

The table in Exercise 24 shows whether NEJM medical articles during various time periods included statistics or not. We’re planning to do a chi-square test.

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