2. Exploring Two-Variable Data

Least Squares Regression — Quiz

Test your understanding of least squares regression with 5 practice questions.

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Practice Questions

Question 1

What is the main goal of the least squares regression line?

Question 2

In a scatterplot, what does a residual represent?

Question 3

Which statement best describes the slope of a least squares regression line?

Question 4

What does the correlation coefficient tell us about a linear relationship?

Question 5

Which condition makes a least squares regression model more appropriate?