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You wish to explore the relationship between two variables, X and Y, for 21 pati

ID: 3357511 • Letter: Y

Question

You wish to explore the relationship between two variables, X and Y, for 21 patients for purposes of predicting the value of Y, given the value of X. In order (from patient 1 through patient 21), their corresponding values for X are: 12, 11, 19, 15, 15, 20, 6, 15, 19, 14, 13, 17, 20, 11, 20, 20, 20, 9, 8, 16, 10 and the matching (corresponding) values of Y: 58, 47, 64, 97, 55, 51, 61, 69, 79, 71, 62, 87, 54, 43, 92, 83, 94, 60, 56, 88, 62. Given this information, what is the value of (X)2 for the distribution?

Explanation / Answer

X values are : 12, 11, 19, 15, 15, 20, 6, 15, 19, 14, 13, 17, 20, 11, 20, 20, 20, 9, 8, 16, 10

For the above data X = 310 , X2 = 4974

(X)2 = 96100

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