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Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take both tests and the results are shown below.    Test A (x) 43   65 73 34 99 78 65 Test B (y) 39 60 62 20 85 70 54   1. Calculate r, the linear correlation coefficient.  Identify the values for each part below. Part a.   The value of n   Part b.   The sum of the x-values  Part c.   The sum of the y-values  Part d.    The sum of the x-squared values   Part e.    The sum of the y-squared values   Part f.    The sum of the (xy) values   Part g.    The final value of r rounded top three decimal places

Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take both tests and the results are shown below.    Test A (x) 43   65 73 34 99 78 65 Test B (y) 39 60 62 20 85 70 54   1. Calculate r, the linear correlation coefficient.  Identify the values for each part below. Part a.   The value of n   Part b.   The sum of the x-values  Part c.   The sum of the y-values  Part d.    The sum of the x-squared values   Part e.    The sum of the y-squared values   Part f.    The sum of the (xy) values   Part g.    The final value of r rounded top three decimal places

MATLAB: An Introduction with Applications
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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Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take both tests and the results are shown below. 

 

Test A (x)

43

 

65

73

34

99

78

65

Test B (y)

39

60

62

20

85

70

54

 

1. Calculate r, the linear correlation coefficient.  Identify the values for each part below.

Part a.   The value of n  

Part b.   The sum of the x-values 

Part c.   The sum of the y-values 

Part d.    The sum of the x-squared values  

Part e.    The sum of the y-squared values  

Part f.    The sum of the (xy) values  

Part g.    The final value of r rounded top three decimal places 

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