Question

The results shown below provide the X-values, residuals, and a residual plot from a regression analysis. Is there any evidence of a pattern in the residuals? Explain.

X	Residual
1	.79
2	-0.84
3	1.19
4	-0.38
5	2.36
6	-0.73
7	0.19
8	1.62
9	-1.15
10	1.77

Choose the correct answer below.

A.

​Yes, the residuals show decreasing variation.

B.

​No, the residuals appear to be randomly spread.

C.

​Yes, the residuals show a distinct cyclical pattern.

D.

​Yes, the residuals show a distinct curved pattern.

Answer 1

Scatter Plot 0 12

Here, residual plot does not follow any pattern and data points are randomly spread around the horizontal line 0.

B. ​No, the residuals appear to be randomly spread.