A set of 10 scores has SS = 90.If the scores are a sample,the sample variance is ____,and if the scores are a population,the population variance is ____. A)s² = 9; ?² = 9 B)s² = 9; ?² = 10 C)s² = 10; ?² = 9 D)s² = 10; ?²= 10

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The Answer of A set of 10 scores has SS = 90.If the scores are a sample,the sample variance is ____,and if the scores are a population,the population variance is ____. A)s² = 9; ?² = 9 B)s² = 9; ?² = 10 C)s² = 10; ?² = 9 D)s² = 10; ?²= 10

A Set of 10 Scores Has SS = 90