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sample was obtained from a population with unknown parameters. scores: 6, 12, 0, 3, 4
compute the sample mean and sandard deviation. compute the estimated standard error for M.

  • stats - ,

    Find the mean first = sum of scores/number of scores

    Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance.

    Standard deviation = square root of variance

    SEm = SD/√(n-1)

    I'll let you do the calculations.

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