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Do Homework-MARIA LOPES-Google Chrome i Secure https/www.mathxl.com/Student/PlayerHomework.aspx7homeworkid-484526616&iquestionld; 1&flushed-false;&cld; 5026452&centerwinayes; S TA 2023 STATISTICS T R 6:00 PM 9:30 PM WINSOME MUNDY 591725 MA Homework: Assignment 41: Chapter 10 Review Score: 05 of 1 pt 1 of 8 (8 complete) 10.2.6 For a sample of eight bears, researchers measured the distances around me bears there is a linear correlation between chest size and weight What proportion of the variation in chests and weighed the bears Minitab was used to ind hat the value of the inear coelation coic weight can be explained by the linear relationship between weight and chest size? a. Is there a linear correlatsion between chest size and weight? Table of Critical Values ?. Yes, because the absekte value of the test statistic exceeds the crtical value of 0 707 B. No, because the absolute value of the test statistic exceeds the critical value of 0 707 C Yes, because the test statistic fals between the citical valkues of -0 707 and 0 707 D. The Inswer cannot be determined from the glven information 01 b. What proportion of the variation in weight can be explained by the linear relationship between welight and chest size? 9s0 Round to three decimal places as needed 754 PyintCone Enter your answer in the answer box and then cack Check Answer All parts showing New Tab deeeHmework

Explanation / Answer

Solution :

=> a. option A. yes, because the absolute value of the test statistic exceeds the critical value of 0.707

=> b. proportion of variation in weight can be explained by the linear relationship between weight and chest size is
  
=> r^2 = 0.687^2 = 0.472 (rounded)

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