Analyzing Residuals

Question 1

For the given table, which point lies on the residual plot?

Revolt · Accepted Answer

(3, 4.6)

Question 2

The predicted values were computed by using the line of best fit, y = 3.2x + 2.

Revolt · Accepted Answer

0.9; -1; -0.6; 0.2

Question 3

Does the residual plot show that the line of best fit is appropriate for the data?

Revolt · Accepted Answer

No, it follows a pattern.

Question 4

Question 84719

Revolt · Accepted Answer

3; 6.2

Question 5

Points and their residual values are shown in the table.

Revolt · Accepted Answer

84721; 6.2

Question 6

Which statements describe a residual plot for a line of best fit that is a good model for a scatterplot? Check all that apply.There are about the same number of points above the x-axis as below it.The points are randomly scattered with no clear pattern.The points lie on a line.The points lie on a curve.The number of points is equal to those in the scatterplot.The y-coordinates of the points are the same as the points in the scatterplot.

Revolt · Accepted Answer

There are about the same number of points above the x-axis as below it.; The points are randomly scattered with no clear pattern.; The number of points is equal to those in the scatterplot.

Question 7

What is the residual for 5?

Revolt · Accepted Answer

–1.6

Question 8

A scatterplot consists of (1, 4.0), (2, 3.3), (3, 3.8), (4, 2.6), and (5, 2.7). The line of best fit used to model the data is y = –0.33x + 4.27. Which residual plot is correct?

Revolt · Accepted Answer

[Image: A graph shows the horizontal axis numbered 1 to 5 ...]

Question 9

Question 84725

Revolt · Accepted Answer

6.2

Analyzing Residuals Answers

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