A regression was run to determine if there is a relationship between hours of TV watched per day (x) and number of situps a person can do (y). The results of the regression were: ý = a + bx %3D a = 36.694 b = - 0.874 R %3D = 0.923521 a) Use this to predict the number of situps a person who watches 0.5 hours of TV can do (to 3 decimal places) b) What is the value of the correlation coefficient (to 3 decimal places) ?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 70E
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A regression was run to determine if there is a relationship between hours of TV
watched per day (x) and number of situps a person can do (y).
The results of the regression were:
ŷ = a + bx
a = 36.694
b =
0.874
R =
= 0.923521
a) Use this to predict the number of situps a person who watches 0.5 hours of TV can
e do (to 3 decimal places)
b) What is the value of the correlation coefficient (to 3 decimal places) ?
Priv
Terr
ост
21
MacBook Pro
esc
F1
F2
F3
F4
F5
Transcribed Image Text:A regression was run to determine if there is a relationship between hours of TV watched per day (x) and number of situps a person can do (y). The results of the regression were: ŷ = a + bx a = 36.694 b = 0.874 R = = 0.923521 a) Use this to predict the number of situps a person who watches 0.5 hours of TV can e do (to 3 decimal places) b) What is the value of the correlation coefficient (to 3 decimal places) ? Priv Terr ост 21 MacBook Pro esc F1 F2 F3 F4 F5
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