An article in the Tappi Journal (March, 1986) presented data on green liquor Na2S concentration (in grams per liter) that is affected by paper ma production (in tons per day). 16. Fit a simple linear regression model. a.concentration =11.7 + 0.0386 production b.production =11.7 + 0.0386 concentration

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16. Using the given Minitab output, answer the questions that follow. 

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).
16. Fit a simple linear regression model.
a.concentration =11.7 + 0.0386 production
b.production =11.7 + 0.0386 concentration
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). 16. Fit a simple linear regression model. a.concentration =11.7 + 0.0386 production b.production =11.7 + 0.0386 concentration
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: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%
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