Question: Change the sample size. Suppose that the sample mean is 50 and the standard deviation is assumed to be 5. Make a diagram similar to

Change the sample size. Suppose that the sample mean is 50 and the standard deviation is assumed to be 5. Make a diagram similar to Figure 6.7 (page 343) that illustrates the effect of sample size on the width of a 95% interval. Use the following sample sizes: 10, 20, 40, and 100. Summarize what the diagram shows.

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