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%3Dpredicted 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 rNOTE: To test Ho: p = 0against H,: p#0, reject Ho|if the absolute value of r isgreater than the criticalvalue in the table.a = 0.05a = 0.0140.9500.9900.8780.9590.8110.9170.7540.8750.7070.8340.6660.798100.6320.765110.6020.735120.5760.708130.5530.684140.5320.661150.5140.641160.4970.623170.4820.606180.4680.590190.4560.575200.4440.561250.3960.505300.3610.463350.3350.430400.3120.402450.2940.378500.2790.361600.2540.330700.2360.305800.2200.286900.2070.2691000.1960.256ina = 0.05a = 0.01Statcrunch

Given data: Significance level = 0.05 P value = 0.000

Answered: Suppose IQ scores were obtained for 20…

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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Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of measurements yield x = 98.35, y 99.1, r= 0.879, P-value = 0.000, and y = 10.73 + 0.9x, where x represents the IQ score of the wife. Find the best predicted value of y given that the wife has an IQ of 106? 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.)
Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of measurements yield x = 98.91, y = 99, r= 0.937, P-value = 0.000, and y = 5.67 + 0.94x, where x represents the IQ score of the wife. Find the best predicted value of y given that the wife has an IQ of 95? 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.)
The IQ scores for a random sample of subjects with medium lead levels in their blood and another random sample of subjects with high lead levels in their blood are given below. Use a 0.05 significance level to test the claim that subjects with medium lead levels have full IQ scores with a higher median that the median full IQ score for subjects with high lead levels. Does lead level appear to affect full IQ scores? Click the icon to view the data table. First define the null and alternative hypotheses. Ho: H₁: Data Table Let the medium lead level be sample 1. Medium Lead High Lead Level Level 66 98 64 87 63 HR22CTCTETUE 2 13 100 83 84 84 70 73 70 78 91 61 72 88 73 76 63 66 61 64 61 66 92 76 107 66 X
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Suppose IQ scores were obtained for 20 randomly selected sets of couples. The 20 pairs of measurements yield x = 98.46, y = 99.4, r=0.883, P-value = 0.000, and y=-14.65 +1.16x, where x represents the IQ score of the wife. Find the best predicted value of y given that the wife has an IQ of 101? 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.)
Only letters C and D
you are provideded with the dataset representing the scores of a group of students who underwent a new tutoring program to improve their math skills. The mean national score is 75. You want to determine if the new tutoring program had a significant positive impact on the students scores. Which type of test should you conduct? State the null and research hypotheses.
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