Analyzing Residuals Answers

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84722

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

A
Yes, the points are rising.
B
Yes, the points are all above the x-axis.
C
No, it follows a pattern.
D
No, the points are falling.
84723

What does a residual value of –4.5 mean in reference to the line of best fit?

A
The data point is 4.5 units above the line of best fit.
B
The data point is 4.5 units below the line of best fit.
C
The line of best fit is not appropriate to the data.
D
The line of best fit has a slope of –4.5.
84724

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.

A
There are about the same number of points above the x-axis as below it.
B
The points are randomly scattered with no clear pattern.
C
The points lie on a line.
D
The points lie on a curve.
E
The number of points is equal to those in the scatterplot.
F
The y-coordinates of the points are the same as the points in the scatterplot.
84725

What is the residual for 5?

A
–1.6
B
–0.6
C
0.6
D
1.6
84726

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

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