Given that x = 20, predict y given the following regression equation: y= 12 + .25x
a. 17
b. 29
c. 21
d. 34
Answer:a. 17
The given regression equation is y = 12 + 0.25X
Predict the value of y for X = 20
Therefore ,
y = 12 + 0.25*20
= 12 + 5
= 17
Therefore , the value of the y is 17 for X = 20
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