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Variable r p-value X₁ -0.003 0.456 X₂ 0.283 0.021 X3 0.157 0.035

Variable r p-value X₁ -0.003 0.456 X₂ 0.283 0.021 X3 0.157 0.035

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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A survey on lamb farms was conducted and data were collected on the following
variables from a random sample of 30 farmers.
Y = average live weight of ewes (kg)
X1 = area of grazing land (m2)

X2 = proportion of farm area that cannot be cultivated
X3 = proportion of area closed for lambs before weaning

True or False
1. About the computed correlation coefficients?
a. weak positive linear relationship between average live weight of ewes and proportion of
farm area that cannot be cultivated.

b.very weak negative linear relationship between average live weight of ewes and area of
grazing land.

c. Both are True
d. Both are False

Variable r p-value X₁ -0.003 0.456 X₂ 0.283 0.021 X3 0.157 0.035
Transcribed Image Text:Variable r p-value X₁ -0.003 0.456 X₂ 0.283 0.021 X3 0.157 0.035
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