e. Compute the covariance and correlation coefficient r between the right tire pressure. f. How do you know the relationship between pressure in the left and right tires is positive. g. What value would a correlation coefficient (r) be close to if there was no (linear) relationship between the 2 tire pressures?

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.2: The Least Square Line
Problem 7E
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Tire pressure (in kPa) was measured for the left and right front tires on a sample of 6 automobiles.
Left (x) Right (y)
184
190
210
201
215
198
227
220
190
196
218
221
Transcribed Image Text:Tire pressure (in kPa) was measured for the left and right front tires on a sample of 6 automobiles. Left (x) Right (y) 184 190 210 201 215 198 227 220 190 196 218 221
e. Compute the covariance and correlation coefficient r between the right tire pressure.
f. How do you know the relationship between pressure in the left and right tires is positive.
g. What value would a correlation coefficient (r) be close to if there was no (linear) relationship between
the 2 tire pressures?
Transcribed Image Text:e. Compute the covariance and correlation coefficient r between the right tire pressure. f. How do you know the relationship between pressure in the left and right tires is positive. g. What value would a correlation coefficient (r) be close to if there was no (linear) relationship between the 2 tire pressures?
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