CLT lab 10-11 - 2. The mean and variance of YBAR are closer...

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Megan Lawless 10/11/2007 Section 3 1. 2. Y does not appear to have a uniform distribution, and it does not appear to have a normal distribution. The heights of the histogram bars generally increase as Y approaches 1. 3. Mean of YR= 0.690457 SD of YR= 0.232973 I would expect the mean and standard deviation of Y to be similar. 4. The estimates in part 3 are close.
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Unformatted text preview: 2. The mean and variance of YBAR are closer to the actual values. 3. The histogram is somewhat normal. n Exact mean mean(YBAR) exact SD SD(YBAR) exact variance Variance(YBAR) 1 2/3 0.690457 0.232973 0.0542766 5 2/3 0.656564 0.108779 0.0105764 1 2/3 0.667505 0.0703648 0.0049512 4 2/3 0.667009 0.0373335 0.00139379...
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