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
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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