What is the variance for the following population of scores? Scores: 5, 2, 5, 4?

1 Answer

  • Mean= (5+2+5+4)/4=4

    Var= (5²+2²+5²+4²)/4 – 4² = 70/4 – 16 = 3/2 = 1.5

    Saludos

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