Statistics

Let's pretend the Work variable is normally distributed, with a mean/median/mode value of 22 and a standard deviation of 17. Based on these numbers, we can say that approximately 68 percent of SOC 390 students work between ______ and ______ hours per week.

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asked by Chris
  1. 68% is between Z of 1 and -1. Insert values of Z and solve for the scores.

    Z = (score-mean)/SD

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    posted by PsyDAG

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