Question 1 1 pts A scientist was interested in studying if students beliefs abou

Question

Question 1 1 pts A scientist was interested in studying if students beliefs about binge drinking change as they go through college. Forty randomly selected students were asked before they entered college if they thought that binge drinking was wrong or o.k. Four years later, the same forty students were asked if thought that binge drinking was wrong or o.k. The scientist decided to perform McNemar's test. The data is below. Are the assumptions met? After Before College O.K. Wrong College O.K. Wrong 15 8 512 O No, YNNY is not greater than or equal to 30. O Yes, n is greater than 30. O No, n is not greater than 30. O Yes, YN+NY is greater than or equal to 30. O Yes, n is greater than 15.

Explanation / Answer

The correct option is:

No, NY+YN is not greater than nor equal to 30

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The assumption of McNemar's Test is that the counts for NY+YN must be greater than or equal to 30.

In this problem, NY+YN = 8 + 5 = 13 which is less than 30.

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