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March 26, 2017

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14) A population of N = 20 scores has a mean of µ = 15. One score in the population is changed from X = 8 to X =28. What is the value for the new population mean?

  • statistics - ,

    (20(15) +28 -8)/20

    (300+28-8)/20

    320/20 = 16

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