Purchase Solution

Linear Regression Multiple Choice Questions

Not what you're looking for?

Ask Custom Question

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

Attachments
Purchase this Solution

Solution Summary

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

Solution Preview

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 ...

Purchase this Solution


Free BrainMass Quizzes
Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.