Question: 19. Two scores, X and Y, are recorded for each of n = 4 subjects. For these scores, find the value of each expression: a.

19. Two scores, X and Y, are recorded for each of n = 4 subjects. For these scores, find the value of each expression:

a. Ex Subject x V 1.

c. EXY A 3 2 B 4 1 C 2 3 D 6 4

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