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Linear Regression Multiple Choice Questions

Which one of the following statements concerning the regression line is true?
a. There is a positive linear relationship between the two variables.
b. The slope is greater that 1.
c. The intercept is at or near 30.
d. Vehicles with larger wheelbases have the worst fuel economy.

The slope of the regression line, b1, is at or near which of the following values?
a. -0.3
b. 0
c. 0.3
d. 3

The intercept of the regression line, b0, is at or near which of the following values?
a. 20
b. 30
c. 60
d. 160

Juanita Douglas just bought a new red SUV that has a wheelbase of 115 inches. What overall fuel economy can she expect to obtain?
a. 28 mpg
b. 25 mpg
c. 20 mpg
d. 15 mpg

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Which one of the following statements concerning the regression line is true?
<br>A. There is a positive linear relationship between the two variables.
<br>B. The slope is greater that 1.
<br>C. The intercept is at or near 30.
<br>D. Vehicles with larger wheelbases have the worst fuel economy.
<br>
<br>There is a linear relationship but is it negative (A = false).
<br>The slope is negative and thus less than 1 (B = false).
<br>The intercept of the line ...

Solution Summary

This solution provides calculations for four multiple choice questions regarding regression: properties of a regression line, slope, intercept and prediction.

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