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Choose the correct answer 1- Example for Positive correlation is A) Income and expenditure B) Price and demand C) Weight and Income 2- If the value of two variables moves in same direction, the correlation is said to be A) Negative C) perfect positive B) positive D) no correlation 3- The correlation for the following data N=25, Σ x = 125, Σ Υ = 100, Σ Χ2 = 650,ΣΥ* = 436, Σ xy = 520 is A) 0.667 B)-0.006 C) -0.667 D) 0.70 lation is

Choose the correct answer 1- Example for Positive correlation is A) Income and expenditure B) Price and demand C) Weight and Income 2- If the value of two variables moves in same direction, the correlation is said to be A) Negative C) perfect positive B) positive D) no correlation 3- The correlation for the following data N=25, Σ x = 125, Σ Υ = 100, Σ Χ2 = 650,ΣΥ* = 436, Σ xy = 520 is A) 0.667 B)-0.006 C) -0.667 D) 0.70 lation is

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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Choose the correct answer 1- Example for Positive correlation is A) Income and expenditure B) Price and demand C) Weight and Income 2- If the value of two variables moves in same direction, the correlation is said to be: A) Negative B) positive C) perfect positive D) no correlation 3- The correlation for the following data N=25, Σx = 125, ΣΥ = 100, ΣΧ2 = 650,Σ 12 = 436,Σxy = 520 is A) 0.667 B)-0.006 C) -0.667 D) 0.70 4- If two variables move in decreasing direction, then the correlation is A) Positive B) Negative C) perfect positive D) no correlation 5- The correlation for the following data N=11 Σx = 117, ΣΥ Σx = 117, ΣΥ = 260, Σχ2 = 1313,ΣΥ2 = 6580 Σ xy = 2827 is = B) -0.3566 C) 0.4566 A) 0.3566 D) -0.4566
Transcribed Image Text:Choose the correct answer 1- Example for Positive correlation is A) Income and expenditure B) Price and demand C) Weight and Income 2- If the value of two variables moves in same direction, the correlation is said to be: A) Negative B) positive C) perfect positive D) no correlation 3- The correlation for the following data N=25, Σx = 125, ΣΥ = 100, ΣΧ2 = 650,Σ 12 = 436,Σxy = 520 is A) 0.667 B)-0.006 C) -0.667 D) 0.70 4- If two variables move in decreasing direction, then the correlation is A) Positive B) Negative C) perfect positive D) no correlation 5- The correlation for the following data N=11 Σx = 117, ΣΥ Σx = 117, ΣΥ = 260, Σχ2 = 1313,ΣΥ2 = 6580 Σ xy = 2827 is = B) -0.3566 C) 0.4566 A) 0.3566 D) -0.4566
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