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Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of measurements yield x= 101.16, y= 102.3, r 0.810, P-value 0.000, and y = 23.09 + 0.78x, where x represents the IQ score of the wife, Find the best predicted value of y given that the wife has an IQ of 109? Use a significance level of 0.05. Click the icon to view the critical values of the Pearson correlation coefficient r. c...... The best predicted value of y is. (Round to two decimal places as needed.) Critical values of the pearson correlation coefficient r NOTE: To test Ho p=0 against H,: p#0, reject H, if the absolute value of r is greater than the critical value in the table. a= 0.05 a= 0.01 4 0.990 0.959 0.950 5 0.878 6. 0.811 0.917 0.754 0.707 0.875 8 0.834 9 0.666 0.798 10 0.632 0.765 11 0.602 0.735 12 0.576 0.708 0.553 0.532 0.514 13 0.684 14 0.661 15 16 0.641 0.623 0.497 0.482 17 18 19 0.606 0.468 0.590 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 45 50 0.312 0.294 0.279 0.254 0.402 0.378 0.361 60 0.330 0.305 0.286 70 0.236 0.220 0.207 0.196 80 90 0.269 100 0.256 a = 0.05 a = 0.01 in Statcrunch

Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of measurements yield x= 101.16, y= 102.3, r 0.810, P-value 0.000, and y = 23.09 + 0.78x, where x represents the IQ score of the wife, Find the best predicted value of y given that the wife has an IQ of 109? Use a significance level of 0.05. Click the icon to view the critical values of the Pearson correlation coefficient r. c...... The best predicted value of y is. (Round to two decimal places as needed.) Critical values of the pearson correlation coefficient r NOTE: To test Ho p=0 against H,: p#0, reject H, if the absolute value of r is greater than the critical value in the table. a= 0.05 a= 0.01 4 0.990 0.959 0.950 5 0.878 6. 0.811 0.917 0.754 0.707 0.875 8 0.834 9 0.666 0.798 10 0.632 0.765 11 0.602 0.735 12 0.576 0.708 0.553 0.532 0.514 13 0.684 14 0.661 15 16 0.641 0.623 0.497 0.482 17 18 19 0.606 0.468 0.590 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 45 50 0.312 0.294 0.279 0.254 0.402 0.378 0.361 60 0.330 0.305 0.286 70 0.236 0.220 0.207 0.196 80 90 0.269 100 0.256 a = 0.05 a = 0.01 in Statcrunch

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of measurements yield x = 101.16, y = 102.3, r= 0.810, P-value = 0.000, and y = 23.09+0.78x, where x represents the IQ score of the wife. Find the best %3D %3D %3D predicted value of y given that the wife has an IQ of 109? 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 y is . (Round to two decimal places as needed.) Critical values of the pearson correlation coefficient r 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. a = 0.05 a = 0.01 4 0.950 0.990 0.878 0.959 0.811 0.917 0.754 0.875 0.707 0.834 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 in a = 0.05 a = 0.01 Statcrunch
Transcribed Image Text:Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of measurements yield x = 101.16, y = 102.3, r= 0.810, P-value = 0.000, and y = 23.09+0.78x, where x represents the IQ score of the wife. Find the best %3D %3D %3D predicted value of y given that the wife has an IQ of 109? 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 y is . (Round to two decimal places as needed.) Critical values of the pearson correlation coefficient r 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. a = 0.05 a = 0.01 4 0.950 0.990 0.878 0.959 0.811 0.917 0.754 0.875 0.707 0.834 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 in a = 0.05 a = 0.01 Statcrunch
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