The following data were used in a regression study. TIL TI Observation Observation 1 5 2. 2 2 6 3 1 8 6 6 4 3 -1 5 a. Develop an estimated regression equation for these data. If necessary enter negative value as negative number. = 2.22 + -0.03 x (to 2 decimals) b. Choose the correct a plot of the residuals. A. В. Residuals Residuals 3- 2 8 10 6. 8 10 -1 -2 -3 -4. C. D. Residuals Residuals 2- 6. 8 10 5 6. 8. 9 10 - Select your answer - Do the assumptions about the error term seem to be satisfied? The assumption that the variance is - select your answer - : for all values of x is questionable. The variance appears to Select your answer - : for larger values of x.
The following data were used in a regression study. TIL TI Observation Observation 1 5 2. 2 2 6 3 1 8 6 6 4 3 -1 5 a. Develop an estimated regression equation for these data. If necessary enter negative value as negative number. = 2.22 + -0.03 x (to 2 decimals) b. Choose the correct a plot of the residuals. A. В. Residuals Residuals 3- 2 8 10 6. 8 10 -1 -2 -3 -4. C. D. Residuals Residuals 2- 6. 8 10 5 6. 8. 9 10 - Select your answer - Do the assumptions about the error term seem to be satisfied? The assumption that the variance is - select your answer - : for all values of x is questionable. The variance appears to Select your answer - : for larger values of x.
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
Transcribed Image Text:The following data were used in a regression study.
TI
Observation
Yi
Observation
Yi
1
1
6.
2
7
3
2
8
4
9.
6.
-1
4
a. Develop an estimated regression equation for these data. If necessary enter negative value as negative number.
2.22 +
-0.03 x (to 2 decimals)
b. Choose the correct a plot of the residuals.
A.
Residuals
Residuals
3-
3-
2-
2-
1
2
6.
7
8
9
10
6.
7
8
10
-1
-1
-3
-3
С.
D.
Residuals
Residuals
3
3
-2
2
3
7
8
10
3
6
7
10
-1
-3
-3
- Select your answer -
Do the assumptions about the error term seem to be satisfied?
The assumption that the variance is
- Select your answer -
+) for all values of x is questionable. The variance appears to
Select your answer -
+ for larger values of x.
0o
2.
2.
B.
-0o
-0o
3.
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