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Samples of Standard Normal Random Variables 1. Use Excel to generate a sample of 20 normally distributed observations with a mean of 3 and a
Samples of Standard Normal Random Variables
1. Use Excel to generate a sample of 20 normally distributed observations with a mean of 3 and a standard deviation of 2. Generate a histogram for your sample. Set the random number seed to 23, display the seed, and the number used (23).
2. Calculate the sample mean
3. Calculate the sample standard deviation
4. We know that population = 3 and = 2. Use this information to construct a 95% confidence interval for the sample mean.5. Does your confidence interval contain ?.
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