Answer Happy

Suppose IQ scores were obtained for 20 randomly selected sets of twins. The 20 pairs of measurements yield x= 100.81, y = 98.5, r=0.930, P-value=0.000, and y=5.43 +0.92x, where x represents the IQ score of the twin born second. Find the best predicted value of y given that the twin bor second has an IQ of 106? Use a significance level of 0.05. - X Click the icon to view the critical values of the Pearson correlation coefficient r. The best predicted value of ŷ is. (Round to two decimal places as needed.) Critical Values of the Pearson Correlation Coefficient r n 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 25 30 35 40 45 50 60 Critical Values of the Pearson Correlation Coefficient r x=0.05 0.950 0.878 0.811 0.754 0.707 0.666 0.632 0.602 0.576 0.553 0.532 0.514 0.497 0.482 0.468 0.456 0.444 0.396 0.361 0.335 0.312 0.294 0.279 0.254 = 0.01 0.990 0.959 0.917 0.875 0.834 0.798 0.765 0.735 0.708 0.684 0.661 0.641 0.623 0.606 0.590 0.575 0.561 0.505 0.463 0.430 0.402 0.378 0.361 0.330 NOTE: To test Ho: p=0 against H₁: p0, reject Ho If the absolute value of ris greater than the critical value in the table.