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Eduncle posted an MCQ
December 21, 2019 • 00:11 am 0 points
  • UGC NET
  • Education

In a sample distribution with N = 300, M = 60 and SD = 12, the number of cases falling above the score 48 will be :

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    Eduncle Best Answer

                Z = X – M/SD
                X = 48; M = 60; SD = 12
                Z = 48-60/12 = –1
            Percentile rank at –1Z = 16%
            Percentage of cases falling above the score 48 = 100 – 16 = 84%
            Number of cases falling above the score 48 = 300*84% = 252

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