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 120233444516973Row 2148148114131124185112Calculate 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.

Given data is Row 1 20 23 34 44 51 69 73 Row 2 148 148 114 131 124 186 112

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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The values of 2 variables x and y are given as below. х 140 120 130 125 140 110 125 125 y 98 102 100 101 90 115 100 110 The linear correlation coefficient between x and y is Select one: O a. -0.949 O b. 0.949 c. 0.958 d. -0.958 e. None of the other answers in necessary true.
The table shows the number of absences, x, in a class and the final exam grade, y, for seven students. X 1 0 2 6 4 3 3 Y 95 90 90 55 70 80 85 Use the graphing calculator to find the correlation coefficient. (Round answer to three decimal places. Do not write 0.123 as.123.)
2. The number of hours 13 students spent working on a project and the grade they earned Hours spent on 6| 7 1 2 4 4 5 7 8 project, x Project Grade, y 50 65 71 78 74 70 83 85 98 85 84 90 95 type of correlation: Conclusion: 6
60 61 72 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? 169 142 130 Row 1 Row 2 30 185 17 163 Calculate 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 coefficient when the x-values and y-values are switched. 37 163 47 175
Calculate Correlation Co-efficient from the marks secured by x & y. Marks secured by x = 40 50 55 58 65 64 68 40. Marks secured by y = 53 74 72 58 59 76 67 53.
Calculate the correlation coefficient, r. Show your complete, step-by-step solution. Round your final answer totwo decimal places.
What is the correlation coefficient of variables x and y? A. -0.96 B. -0.98 C. 0.98 D. 0.96
a. Calculate the correlation coefficient r, letting Row 1 represent the x-values and Row 2 the y-values. r = ____ b. Calculate the correlation coefficient r, letting row 2 represent the x-values and row 1 the y-values. r = _____ c. What effect does switching the variables have on the correlation coefficient?
Find out the correlation existing between X and Y from the following scatter diagram y 60 40 20 20 40 60 a. High Negative Correlation b. Low Positive Correlation c. Low Negative Correlation d. High Positive Correlation
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 215 19229 11231 12350 17651 12666 11375 187 Calculate the correlation coefficient r, letting Row 1 represent the x-values and Row 2 the y-values. r=_______
The table shows the money earned from selling ice cream at a Galveston restaurant as it relates to the high temperature for the day. Temperature 58 61 71 78 81 85 89 96 100 (Fahrenheit) Ice Cream Sales 210 240 515 609 796 800 950 994 900 (Dollars) What does the correlation coefficient for the data indicate about the strength of the linear association between the temperature and ice cream sales in Galveston? А Strong negative correlation Weak negative correlation C Strong positive correlation Weak positive correlation

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