-What is the value of Σ(X – 1)2 for the scores 1, 2, 1, 4? a. 10 b. 49 c. 36 d. 16 -For the following frequency distribution, what is ΣX? X f 30-34 1 25-29 1 20-24 3 15-19 2 10-14 1 a. Cannot be determined b. 110 c. 8 d. 90
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