Question: Problem 11 in Chapter 15 examined the TV-viewing habits of adopted children in relation to their biological parents and their adoptive parents. The data are

Problem 11 in Chapter 15 examined the TV-viewing habits of adopted children in relation to their biological parents and their adoptive parents. The data are reproduced as follows. If both the biological and adoptive parents are used to predict the viewing habits of the children in a multiple-regression equation, what percentage of the variance in the children's scores would be accounted for? That is, compute R2.

SPX1X2 = 8
SPX1Y = 15
SPX2Y = 3

Amount of Time Spent Watching TV Adopted Children Birth Adoptive Parents Parents X1 X2 2 1 4 6. 4 2 1 2 3 3 2 1 3 3 3 SSy = 32 SSX1 = 14 SSX2 16

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