606172Calculate the correlation coefficient r, letting Row 1 represent the x-values and Row 2 the y-values. Then calculate it again, letting Row 2 represent the x-values and Row 1 the y-values. What effect does switching the variables have on r?169142130Row 1Row 23018517163Calculate the correlation coefficient r, letting Row 1 represent the x-values and Row 2 the y-values.r= (Round to three decimal places as needed.)Calculate the correlation coefficient r, letting Row 2 represent the x-values and Row 1 the y-values.r= (Round to three decimal places as needed.)What effect does switching the variables have on the correlation coefficient?The correlation coefficientwhen the x-values and y-values are switched.3716347175

Given dataRow 1 Row 217 16330 18537…

Answered: Calculate the correlation coefficient…

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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Calculate the correlation coefficient r, letting Row 1 represent the x-values and Row 2 the y-values. Then calculate it again, letting Row 2 represent the x-values and Row 1 the y-values. What effect does switching the variables have on r? Row 1 Row 213 16030 12133 11641 18851 15363 19570 145 Calculate the correlation coefficient r, letting Row 1 represent the x-values and Row 2 the y-values.
Accurate the correlation coefficient r, letting Row 1 represent the x-values and Row 2 the y-values. Then calculate it again, letting Row 2 represent the x-values and Row 1 the y-values. What effect does switching the variables have on r? Row 1: 17, 27,30,49,54,60,70 Row 2: 190,134,121,159,158,172,173 Calculate the correlation coefficient r, letting Row 1 represent the x-values and Row 2 the y-values. r=
Calculate the correlation coefficient r, letting Row 1 represent the x-values and Row 2 the y-values. Then calculate it again, letting Row 2 represent the x-values and Row 1 the y-values. What effect does switching the variables have on r? Row 1,x Row 2,y 13 115 24 120 30 180 48 116 56 173 61 160 79 146
Determine the Pearson Correlation Coefficient. A 0.5897B 0.8459C 0.7155D 0.9887
(b) For each pair of variables, generate the correlation coefficient r. For all pairs involving x1, compute the corresponding coefficient of determination r2. (Use 3 decimal places.) r r2 x1, x2 x1, x3 x1, x4 x1, x5 x1, x6 x2, x3 x2, x4 x2, x5 x2, x6 x3, x4 x3, x5 x3, x6 x4, x5 x4, x6 x5, x6
1. Move the slider so that the correlation coefficient is r = -0.9. At an x-axis value of 40, which of the following is the approximate range (lowest to highest) of the y-values?2. Now move the slider so that the correlation coefficient is r = 0.15. At an x-axis value of 40, which of the following is the approximate range (lowest to highest) of the y-values?
1.Calculate the Pearson correlation coefficient. (you only need to show the values of SSxy, SSx and SSy in the formula, and the value of r. ) 2.Is this Pearson’ r significant at level of αtwo-tail = 0.05? (you only need to show the critical value of r, and the comparison between robt and rcrit.) ID X Y S01 20 190 S02 25 177 S03 30 183 S04 35 153 S05 40 159 S06 45 155 S07 50 130 S08 55 122 S09 60 126 S10 60 105
(b) For each pair of variables, generate the correlation coefficient r. Compute the corresponding coefficient of determination r2. (Use 3 decimal places.) r r2 x1, x2 x1, x3 x1, x4 x2, x3 x2, x4 x3, x4
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.
(b) For each pair of variables, generate the correlation coefficient r. Compute the corresponding coefficient of determination r2. (Use 3 decimal places.) r r2 x1, x2 x1, x3 x1, x4 x2, x3 x2, x4 x3, x4 What percent of the variation in box office receipts can be attributed to the corresponding variation in production costs? (Use 1 decimal place.)
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
a) Determine the value of Sxx, Syy, and Sxy. b) Determine the value of Pearson’s correlation coefficient r and the value of Spearman’s rank correlation coefficient rs.

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