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The Mean, Standard Deviation, and Sampling Distribution of the Sample Mean

The Mean and Standard Deviation of the Sample Mean

Answers

1. \mu_{\bar{X}}=100, \sigma_{\bar{X}}=1.33

3. 

  1. \mu_{\bar{X}}=75, \sigma_{\bar{X}}=1.09
  2. \mu_{\bar{X}} stays the same but \sigma_{\bar{X}} decreases to 0.6