Math Solutions

[Solution Library] Identify the distribution of the sample mean. In particular, state whether the distribution of x̄ is normal or approximately normal and

Question: Identify the distribution of the sample mean. In particular, state whether the distribution of \(\bar{x}\) is normal or approximately normal and give its mean and standard deviation.

The weights of people in a certain population are normally distributed with a mean of

\(157 \mathrm{lb}\) and a standard deviation of \(21 \mathrm{lb}\). Determine the sampling distribution of the mean for samples of size 8 .

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Solution: The downloadable solution consists of 1 pages
Deliverable: Word Document


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