You are given the following information about x and y.xyIndependentDependentVariableVariable15 512 710 9 711Refer to Exhibit 14-2. The sample correlation coefficient equals _____. a. .9941 b. –.99705 c. –86.667 d. .99705

Given that X Y X \cdot YX⋅Y X^2X2 Y^2Y2 15 5 75 225 25 12 7 84 144 49 10 9 90 100…

Answered: Refer to Exhibit 14-2. The sample…

Math

Statistics

Refer to Exhibit 14-2. The sample correlation coefficient equals _____. a. .9941 b. –.99705 c. –86.667 d. .99705

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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Question

You are given the following information about x and y.

x	y
Independent	Dependent
Variable	Variable
15	5
12	7
10	9
7	11

Refer to Exhibit 14-2. The sample correlation coefficient equals _____.

a. .9941

b. –.99705

c. –86.667

d. .99705

Definition Definition Statistical measure used to assess the strength and direction of relationships between two variables. Correlation coefficients range between -1 and 1. A coefficient value of 0 indicates that there is no relationship between the variables, whereas a -1 or 1 indicates that there is a perfect negative or positive correlation.

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