The scatterplots below show the relationship between height, diameter, and volume of timber in 31 felled black cherry trees. The diameter of the tree is measured 4.5 feet above the ground. 70 10- 65 75 85 Height (in ft) 70- 40- 10- 8 12 16 20 Diameter (in inches) a) Describe the relationship between height and volume of these trees. O weak/moderate, positive strong, positive b) Describe the relationship between diameter and volume of these trees. O strong, positive O weak/moderate, positive c) Suppose you have height and diameter measurements for another black cherry tree. Which of these variables would be preferable to use to predict the volume of timber in this tree using a linear regression model? O diameter O height Volume (in cubic ft) Volume (in cubic ft)
The scatterplots below show the relationship between height, diameter, and volume of timber in 31 felled black cherry trees. The diameter of the tree is measured 4.5 feet above the ground. 70 10- 65 75 85 Height (in ft) 70- 40- 10- 8 12 16 20 Diameter (in inches) a) Describe the relationship between height and volume of these trees. O weak/moderate, positive strong, positive b) Describe the relationship between diameter and volume of these trees. O strong, positive O weak/moderate, positive c) Suppose you have height and diameter measurements for another black cherry tree. Which of these variables would be preferable to use to predict the volume of timber in this tree using a linear regression model? O diameter O height Volume (in cubic ft) Volume (in cubic ft)
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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Transcribed Image Text:The scatterplots below show the relationship between height, diameter, and volume of timber in 31 felled
black cherry trees. The diameter of the tree is measured 4.5 feet above the ground.
70-
10-.
65
75
85
Height (in ft)
70-
10어
8
12
16
20
Diameter (in inches)
a) Describe the relationship between height and volume of these trees.
weak/moderate, positive
O strong, positive
b) Describe the relationship between diameter and volume of these trees.
O strong, positive
O weak/moderate, positive
c) Suppose you have height and diameter measurements for another black cherry tree. Which of these
variables would be preferable to use to predict the volume of timber in this tree using a linear regression
model?
diameter
O height
Volume (in cubic ft)
Volume (in cubic ft)
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