Question: 12. (No calculations are necessary for this problem.) Suppose the following summary statistics are obtained from a large group of individuals: X 52 0, SX

12. (No calculations are necessary for this problem.) Suppose the following summary statistics are obtained from a large group of individuals: X 52 0, SX 8 7, Y 147 3, SY 16 9.

Dorothy receives an X score of 52. What is her predicted Y score if:

(a) r 0?

(b) r −.55?

(c) r .38?

(d) r −1.00?

(e) State the principle that emerges from your answers to Problems 12a to 12d.

(f) Show how Formula (8.5) illustrates this principle.

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