Question: Refer to the study in Example 3. The recovery times (in days) for Group 2 are listed below. Find the sample variance and standard deviation

Refer to the study in Example 3. The recovery times (in days) for Group 2 are listed below. Find the sample variance and standard deviation of the recovery times.

43 57 18 45 47 33 49 24

a. Find the sum of squares.

b. Divide by n - 1 to get the sample variance.

c. Find the square root of the sample variance to get the sample standard deviation.

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