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 Question: The use of Pearson's correlation analysis between the average live weight of ewes and the other variables is valid because Choices: Data are quantitative One variable is used to predict other variable None were correct Both are correct

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 Question: The use of Pearson's correlation analysis between the average live weight of ewes and the other variables is valid because Choices: Data are quantitative One variable is used to predict other variable None were correct Both are correct

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter7: Applying Fractions

Section7.5: Percents

Problem 23OE

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Question

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

Question: The use of Pearson's correlation analysis between the average live weight of ewes and the other
variables is valid because
Choices:
Data are quantitative
One variable is used to predict other variable
None were correct
Both are correct

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

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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