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Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of measurements yield x=100.06, y=100.35, r=0.910, P-value=0.000, and y=21.55+1.22x, where
Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of measurements yield x=100.06, y=100.35, r=0.910, P-value=0.000, and
y=21.55+1.22x, where x represents the IQ score of the husband. Find the best predicted value of
y given that the husband has an IQ of 95? Use a significance level of 0.05.
The best predicted value of y is
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