21) The slope coefficient measures: The ratio of Y/X The predicted change in X f
ID: 3174470 • Letter: 2
Question
21) The slope coefficient measures:
The ratio of Y/X
The predicted change in X for a one unit change in Y
The predicted change in Y for a one unit change in X
The variance of Y with respect to X
22) If two variables have a monotonic relationship, then linear regression is a suitable technique to express their relationship.
True
False
Not enough information.
23)
a The correlation between X and Y.
b The amount of variance of X that is explained by Y.
c The slope of the regression line.
d The amount of variance of Y that is explained by X.
aThe ratio of Y/X
bThe predicted change in X for a one unit change in Y
cThe predicted change in Y for a one unit change in X
dThe variance of Y with respect to X
Explanation / Answer
Solution:
21.C) because The regression slope gives the expected value of Y corresponding to a 1-unit increase in X
22. B) because regression relation between the variables two or more not monotonic relation between the variables
23.D)The amount of variance of Y that is explained by X.
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