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    standard error of the mean

    A sample of 8 observations is selected from a normal population for which the population standard deviation is known to be 3. The sample mean is 23

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    +1  Views: 1127 Answers: 1 Posted: 12 years ago
    Tags: statistics
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      A beautiful site here>>>http://www.brighton-webs.co.uk/statistics/standard_error.htm

      12 years ago. Rating: 0
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