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husband has an IQ of 105? Use a significance level of 0.05 Suppose IQ scores were obtained for 20 randomly selected sets of couples. The
husband has an IQ of 105? Use a significance level of 0.05 Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of measurements yield x = 97.02, y = 96.85, r=0.902, P-value =0.000, and y = 2.5 +0.97x, where x represents the IQ score of the husband. Find the best predicted value of y given that the Click the icon to view the critical values of the Pearson correlation coefficient r. The best predicted value of y is]. Critical Values of the Pearson Correlation Coefficient r - X (Round to two decimal places as needed.) Critical Values of the Pearson Correlation Coefficient r x = 0.05 X =0.01 NOTE: To test Ho: p= 0 .950 ).990 0.878 against H,: p #0, reject Ho 0.959 0.811 0.917 if the absolute value of r is 0.754 greater than the critical 0.875 value in the table. Co 0.707 ).834 0.666 .798 10 0.632 0.765 0.602 0.735 0.576 0.708 0.553 .68 0.532 0.514 ).64 16 0.497 0.623 17 0 482 0.606 18 0.468 0.590 19 0.456 0.575 20 0.444 0.561 25 0.396 0.505 30 0.361 0.463 35 0.335 0.430 40 0.312 0.402 45 0.294 0.378 50 0.279 .361 60 0.254 0.33 70 0.236 0.305 80 0.220 0.286 90 0.207 0.269 100 0. 196 0.256 n X = 0.05 D = 0.01
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