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Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of measurements yield x 97.76, y=94.9, r=0.832, P-value =
Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of measurements yield x 97.76, y=94.9, r=0.832, P-value = 0.000, and y = 6.86 +0.9x, 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. Click the icon to view the critical values of the Pearson correlation coefficient r. The best predicted value of is
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