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Chapter 01, Supplementary Exercises, Problem 045d The following table lists six pairs of x and y values. 4 14 121 1529 03 | 1
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Answer #1

from given data:

x y x^2*y
4 10 160
15 3 675
29 14 11774
8 7 448
14 10 1960
21 7 3087
total 18104

from above: \sum x2y =18104

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