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23. For each of the following set of scores find the value of each expression: (a) EX2 (b) (EX) (c) E(X-3) (d) E(X - 3)2

23. For each of the following set of scores find the value of each expression: (a) EX2 (b) (EX) (c) E(X-3) (d) E(X - 3)2 D N m (a) Blank 1 (b) Blank 2 (c) Blank 3 (d) Blank 4

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