An article in the Tappi Journal (March, 1986) presented data on green liquor Na2s concentration (in grams per liter) that is affected by paper machine production (in tons per day). 21. Test the significance of the regression model. a. The regression model is significant. b. The regression model is not significant. d. Cannot be determined due to insufficiency of data.
An article in the Tappi Journal (March, 1986) presented data on green liquor Na2s concentration (in grams per liter) that is affected by paper machine production (in tons per day). 21. Test the significance of the regression model. a. The regression model is significant. b. The regression model is not significant. d. Cannot be determined due to insufficiency of data.
ChapterP: Prerequisites
Section: Chapter Questions
Problem 5PS
Related questions
Question
21. Using the given Minitab output, answer the questions that follow.
Transcribed Image Text:Regression Equation
C1 = 11.7 + 0.0386 C2
Coefficients
Term
Coef SE Coef
97% CI
T-Value P-Value VIF
Constant
11.7
14.4
(-26.2, 49.5)
0.81
0.440
C2
0.0386
0.0157 (-0.0029, 0.0800)
2.45
0.040 1.00
Model Summary
S
R-sq R-sq(adj)
PRESS R-sq(pred) AICC
BIC
2.89815 42.86%
35.72% 102.435
12.90% 57.43 54.34
Analysis of Variance
Source
DF Seq SS Contribution Adj SS Adj MS F-Value P-Value
Regression
C2
1
50.41
42.86%
50.41
50.406
6.00
0.040
1
50.41
42.86%
50.41
50.406
6.00
0.040
Error
8
67.19
57.14%
67.19
8.399
Lack-of-Fit
7
54.69
46.51%
54.69
7.813
0.63
0.754
Pure Error
1
12.50
10.63%
12.50
12.500
Total
9.
117.60
100.00%
Transcribed Image Text:An article in the Tappi Journal (March, 1986) presented data on green liquor Na2S concentration (in grams per liter) that is affected by paper machine
production (in tons per day).
21. Test the significance of the regression model.
a. The regression model is significant.
b. The regression model is not significant.
d. Cannot be determined due to insufficiency of data.
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