Question: Refer to the previous exercise. Compare the placebo to the debridement group using a significance test. State the assumptions, and explain how to interpret the

Refer to the previous exercise. Compare the placebo to the debridement group using a significance test. State the assumptions, and explain how to interpret the P-value.

Knee Pain Score Group Placebo Arthroscopic lavage Arthroscopic- Sample Size Mea Standard Deviation 60 48.9 21.9 61 54.8 19.8 debridement 59 51.7 22.4

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