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Unformatted text preview: 1 , X 2 …X n is a normally and independent distributed random variable with mean ߤ and variance ߪ ଶ . X ൌ x భ ାx మ ାڮx ୬ Determine the mean and variance of the sampling distribution. Answer: ߤ ത ൌ ߤ ߤ ߤ ڮ ߤ ݊ ൌ ߤ ߪ ത ଶ ൌ ߪ ଶ ߪ ଶ ߪ ଶ ڮ ߪ ଶ ݊ ൌ ߪ ଶ ݊...
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This note was uploaded on 10/12/2011 for the course STATISTICS 101 taught by Professor Nazim during the Spring '10 term at Qatar University.
 Spring '10
 nazim
 Statistics, Probability

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