A regression between foot length (Y variables in cm) and height (X variables in inches) for 33 students resulted in the following regression equation: y=10.9+0.23x One student in the sample was 73 inches wall with a foot length of 29cm. a) The predicted foor length for this student is __cm b) Residual for this student's __cm

likovnihuj 2022-09-20 Answered
A regression between foot length (Y variables in cm) and height (X variables in inches) for 33 students resulted in the following regression equation:
y = 10.9 + 0.23 x
One student in the sample was 73 inches wall with a foot length of 29cm.
a) The predicted foor length for this student is __cm
b) Residual for this student's __cm
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Answers (1)

Abagail Stephenson
Answered 2022-09-21 Author has 9 answers
The regression equation is :
Y ^ = 10.9 + 0.23 X
Where Y = foot length
X = Height
a) For x = 73 , Y = 29
For x = 73 , Y ^ = 10.9 + 0.23 ( 73 ) = 27.69
b) Residual = Y Y ^ = 29 27.69 = 1.31
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