statistics

1. On final examination in Business Law, the mean was 68 and the standard deviation was 12. Determine the standard scores of students receiving marks of 50?

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asked by niki
  1. Are you looking for the z score?
    If so,
    x-x bar (mean)/sd
    50-68 / 12
    -1.5

    This particular datum is 1.5 sd's below the mean.

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  2. Yes i'm looking for the z score.
    Thank you so much.

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    posted by niki

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