Question: Problem 9.39 (p. 385) Refer to exercise 9.38. Compare the before and after populations using a ttest at a 0.05. Use a nondirectional alternative.

Problem 9.39 (p. 385) Refer to exercise 9.38. Compare the before

Problem 9.39 (p. 385) Refer to exercise 9.38. Compare the before and after populations using a ttest at a " 0.05. Use a nondirectional alternative. 1.11- mean number of negative interactions in cats 112 -mean number of negative interactions in cats after catnip

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