Suppose IQ scores were obtained for 20 randomly selected sets of twins. The 20 pairs of...
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Suppose IQ scores were obtained for 20 randomly selected sets of twins. The 20 pairs of measurements yield x=95.02, y=93.3, r = 0.938, P-value = 0.000, and y = -16.17+ 1.15x, where x represents the IQ score of the twin born first. Find the best predicted value of y given that the twin born first has an IQ of 102? 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 . y (Round to two decimal places as needed.) Suppose IQ scores were obtained for 20 randomly selected sets of twins. The 20 pairs of measurements yield x=95.02, y=93.3, r = 0.938, P-value = 0.000, and y = -16.17+ 1.15x, where x represents the IQ score of the twin born first. Find the best predicted value of y given that the twin born first has an IQ of 102? 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 . y (Round to two decimal places as needed.)
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