Suppose IQ scores were obtained for 20 randomly selected sets of twins. The 20 pairs of measurements yield x = 95.9, y = 94, r= 0.866, P-value = 0.000, and y = 15.74 + 0.82x, where x represents the IQ...


Suppose IQ scores were obtained for 20 randomly selected sets of twins. The 20 pairs of measurements yield x = 95.9, y = 94, r= 0.866,<br>P-value = 0.000, and y = 15.74 + 0.82x, where x represents the IQ score of the twin born second. Find the best predicted value of y given that the<br>twin born second has an IQ of 110? Use a significance level of 0.05.<br>%3D<br>Click the icon to view the critical values of the Pearson correlation coefficient r.<br>The best predicted value of y is<br>(Round to two decimal places as needed.)<br>

Extracted text: Suppose IQ scores were obtained for 20 randomly selected sets of twins. The 20 pairs of measurements yield x = 95.9, y = 94, r= 0.866, P-value = 0.000, and y = 15.74 + 0.82x, where x represents the IQ score of the twin born second. Find the best predicted value of y given that the twin born second has an IQ of 110? Use a significance level of 0.05. %3D Click the icon to view the critical values of the Pearson correlation coefficient r. The best predicted value of y is (Round to two decimal places as needed.)
Critical Values of the Pearson Correlation Coefficient r<br>Critical Values of the Pearson Correlation Coefficientr<br>a = 0.05<br>x = 0.01<br>|NOTE: To test Ho: p= 0<br>against H,: p#0, reject Ho<br>if the absolute value of r is<br>greater than the critical<br>value in the table.<br>4<br>0.950<br>0.990<br>0.878<br>0.959<br>6.<br>0.811<br>0.917<br>7<br>0.754<br>0.875<br>8<br>0.707<br>0.834<br>9.<br>0.666<br>0.798<br>10<br>0.632<br>0.765<br>11<br>0.602<br>0.735<br>12<br>0.576<br>0.708<br>13<br>0.553<br>0.684<br>14<br>0.532<br>0.661<br>15<br>0.514<br>0.641<br>16<br>0.497<br>0.623<br>17<br>0.482<br>0.606<br>18<br>0.468<br>0.590<br>19<br>0.456<br>0.575<br>20<br>0.444<br>0.561<br>25<br>0.396<br>0.505<br>30<br>0.361<br>0.463<br>35<br>0.335<br>0.430<br>40<br>0.312<br>0.402<br>45<br>0.294<br>0.378<br>50<br>0.279<br>0.361<br>60<br>0.254<br>0.330<br>70<br>0.236<br>0.305<br>80<br>0.220<br>0.286<br>90<br>0.207<br>0.269<br>100<br>0.196<br>0.256<br>a = 0.05<br>a = 0.01<br>Print<br>Done<br>

Extracted text: Critical Values of the Pearson Correlation Coefficient r Critical Values of the Pearson Correlation Coefficientr a = 0.05 x = 0.01 |NOTE: To test Ho: p= 0 against H,: p#0, reject Ho if the absolute value of r is greater than the critical value in the table. 4 0.950 0.990 0.878 0.959 6. 0.811 0.917 7 0.754 0.875 8 0.707 0.834 9. 0.666 0.798 10 0.632 0.765 11 0.602 0.735 12 0.576 0.708 13 0.553 0.684 14 0.532 0.661 15 0.514 0.641 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 0.361 60 0.254 0.330 70 0.236 0.305 80 0.220 0.286 90 0.207 0.269 100 0.196 0.256 a = 0.05 a = 0.01 Print Done

Jun 09, 2022
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