Suppose IQ scores were obtained for 20 randomly selected sets of siblings. The 20 pairs of measurements yield x=99.55​,y=100.9​, r=0.919​, ​P-value=​0.000, and y=11.54+0.9x​, where x represents the IQ score of the younger child. Find the best predicted value of y given that the younger child has an IQ of 94​? Use a significance level of 0.05.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Suppose IQ scores were obtained for 20 randomly selected sets of siblings. The 20 pairs of measurements yield x=99.55​,y=100.9​, r=0.919​, ​P-value=​0.000, and y=11.54+0.9x​, where x represents the IQ score of the younger child. Find the best predicted value of y given that the younger child has an IQ of 94​? Use a significance level of 0.05.

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