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statistics

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A teacher finds that the test scores of a group of 40 students have a mean of 75 and a standard deviation of 10. If Anne has a test score of 88, what is Anne’s z-score?

  • statistics - ,

    z-score = (88 - 75)/10
    = ....

  • statistics - ,

    z = (88-75)/(10/sqrt((40))

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