Question: 6. Use R commands to obtain a simple random sample of size 50 from the statistical population of productivity ratings given in Example 1.6-3, and

6. Use R commands to obtain a simple random sample of size 50 from the statistical population of productivity ratings given in Example 1.6-3, and calculate the sample mean and sample variance. Repeat this for a total of five times, and report the five pairs of (x, S2).

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