WelcorContent xQ ChapteOrgani xQChapte-172812Q CH 4 Fast-1-prod-fleet02-xythos.content.blackboardcdn.com/5cc71db6522fe/17290459?X-Blackboard-Expiration2. For the scatter plot below describe the type of association being depicted and give areasonable estimate for the value for the correlation coefficient r. Explain how youdetermined what the appropriate value for the correlation coefficient should be.180160140120100806040208010012014016018099+II

For the scatter plot below describe the type of as reasonable estimate for the value for the correlation coefficient r. Explain how you determined what the appropriate value for the correlation coefficient should be. 180 160 140 120 100 80 60 40 20 80 100 120 140 160 180

For the scatter plot below describe the type of as reasonable estimate for the value for the correlation coefficient r. Explain how you determined what the appropriate value for the correlation coefficient should be. 180 160 140 120 100 80 60 40 20 80 100 120 140 160 180

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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given: RPE Treadmill X axis values: 18,17,14,12,10 RPE Cycling Y axis values: 17,16,13,14,11 1.) Calculate the degrees of freedom for this correlation test and determine the critical r from the table on the equation sheet. 2.) Calculate the Pearson’s Product Moment Correlation Coefficient r for the sample RPE data.
Find the linear correlation coefficient, r, then determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables. The linear correlation coefficient is r= _____ (Round to three decimal places as needed.)
A class of 35 students took two midterm tests. Jack missed the ﬁrst test and Jill missed the second test. The 33 students who took both tests scored an average of 75 points on the ﬁrst test, with a standard deviation of 10 points, and an average of 64 points on the second test, with a standard deviation of 12 points. The scatter diagram of their scores is roughly ellipsoidal, with a correlation coeﬃcient of r = 0 . 5. Because Jack and Jill each missed one of the tests, their professor needs to guess how each would have performed on the missing test in order to compute their semester grades. (a) Jill scored 80 points on Test 1. She suggests that her missing score on Test 2 be replaced with her score on Test 1, 80 points. What do you think of this suggestion? What score would you advise the professor to assign? (b) Jack scored 76 points on Test 2, precisely one standard deviation above the Test 2 mean. He suggests that his missing score on Test 1 be replaced with a score of 85 points,…
Listed below are the overhead widths (in cm) of seals measured from photographs and the weights (in kg) of the seals. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the critical values of r using alpha equals 0.01. Is there sufficient evidence to conclude that there is a linear correlation between overhead widths of seals from photographs and the weights of the seals? a. Construct a scatterplot. b. The linear correlation coefficient is r= (Round to three decimal places as needed.) c. The critical values are r= (Round to three decimal places as needed. Use a comma to separate answers as needed.)
Is there a linear correlation between x and y? Use α = 0.01. a.) Yes, because the correlation coefficient is not in the critical region. b.) Yes, because the correlation coefficient is in the critical region. c.) No, because the correlation coefficient is in the critical region. d.) No, because the correlation coefficient is not in the critical region. C. What is correlation coefficient when the point (2,9) is excluded? r=_________ (Round to three decimal places as needed.) Is there a linear correlation between x and y? Use α= 0.01 a.) No, because the correlation coefficient is in the critical region. b.) Yes, because the correlation coefficient is not in the critical region. c.) Yes, because the correlation coefficient is in the critical region. d.) No, because the correlation coefficient is not in the critical region.
b.Find the linear correlation coefficient, r, then determine whether there is sufficient evidence to support the claim of a linear correlation between the two variables. c. find the critical values
Choose the value of the Pearson's Correlation Coefficient (r) that best describes the two plots. : 0.504, II: -0.232. 2) I: -0.904, II: 0.232. 3) I: 0.904, II: -0.232. 4) I: -0.232, II: 1.304. 5) I: 0.904, II: -0.632.
Listed below are the overhead widths (in cm) of seals measured from photographs and the weights (in kg) of the seals. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the critical values of r using alpha equals 0.01 .Is there sufficient evidence to conclude that there is a linear correlation between overhead widths of seals from photographs and the weights of the seals? a. Construct a scatterplot. b. The linear correlation coefficient is r equals (Round to three decimal places as needed.) c. The critical values are r equals (Round to three decimal places as needed. Use a comma to separate answers as needed.)
Listed below are the overhead widths (in cm) of seals measured from photographs and the weights (in kg) of the seals. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the critical values of r using alpha equals 0.05. Is there sufficient evidence to conclude that there is a linear correlation between overhead widths of seals from photographs and the weights of theseals? Overhead Width 7.1 7.6 9.7 9.3 8.6 8.2 Weight 115 197 243 198 197 186
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Listed below are the overhead widths (in cm) of seals measured from photographs and the weights (in kg) of the seals. Construct a scatterplot, find the value of the linear correlation coefficient r, and find the critical values of r using α=0.01. Is there sufficient evidence to conclude that there is a linear correlation between overhead widths of seals from photographs and the weights of the seals? Overhead Width 7.1 7.6 9.7 9.4 8.8 8.2 Weight 111 198 246 204 202 185 Construct a scatterplot. Choose the correct graph below. (inserted as picture) The linear correlation coefficient is r=__________ (Round to three decimal places as needed.) The critical values are r= (_______,________) (Round to three decimal places as needed. Use a comma to separate answers as needed.) Because the absolute value of the linear correlation coefficient is (greater,less than, equal to) than the positive…
A sample of eight employees is taken from the production department of a light engineering factory. The data which follow relate to the number of weeks experience in the wiring of components, and the number of components which were rejected as unsatisfactory Employees A B C D E F G H Weeks of experience (x) 4 5 7 9 10 11 12 14 Number of rejects (y) 21 22 15 18 14 14 11 13 Calculate a Pearson’s Product moment correlation for these data and interpretits value