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Unformatted text preview: number when the random sample is considered as a sequence of numbers (after the experiment is run). Question 3. Write in words what is meant by the following four expressions: E [ X ]: the expected value of the sample mean. Var( X ): the variance of the sample mean. E [ S 2 ]: the expected value of the sample variance. Var( S 2 ): the variance of the sample variance. www.ece.drexel.edu/faculty/sweber 1 November 14, 2007...
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- Spring '04