File: Waterflowa. Produce the relevant ANOVA table and conduct a hypothesis test to determine if the mean detection time differs among the four shutoff valve models. Use a significance level of 0.05.b. Use the Tukey-Kramer multiple comparison technique to discover any differences in the average detection time. Use a significance level of 0.05.c. Which of the four shutoff valves would you recommend? State your criterion for your selection.
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Data
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Valve 1 |
Valve 2 |
Valve 3 |
Valve 4 |
RESI1 |
RESI2 |
RESI3 |
RESI4 |
|
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| 17 |
|
|
|
|
|
| 18 |
28 |
17
| 2.4 |
| 1.9 |
2.5 |
|
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| –
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|
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| 0.5 |
|
| 10 |
17
| 25 |
17
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| -4.6 |
| 0.9 |
-0.5 |
-0.5
18
|
| 11 |
30 |
17
|
| 3.4 |
-5.1 |
4.5 |
-0.5
18
|
| 16 |
| 26 |
19 |
3.4
| -0.1 |
0.5
| 1.5 |
17 16 25 18 2.4 -0.1 -0.5 0.5
|
|
| 14 |
18
27 |
| 21 |
-0.6 |
1.9 1.5
| 3.5 |
18 14
|
| 23 |
21 3.4
| -2.1 |
|
| -2.5 |
3.5
| 13 |
17 23
12 |
-1.6 |
0.9 -2.5
-5.5 |
10
| 20 |
26
15 |
-4.6
3.9 |
0.5 -2.5
11 14
| 22 |
18
-3.6 |
-2.1
-3.5 |
0.5
Description
| WATERFLOW |
| File:WATERFLOW.xls |
| Column A: |
Time for the sensor for Valve 1 to detect the water flow |
| Column B: |
Time for the sensor for Valve 2 to detect the water flow |
| Column C: |
Time for the sensor for Valve 3 to detect the water flow |
| Column D: |
Time for the sensor for Valve 4 to detect the water flow |
| Column E: |
Residuals for Valve 1 |
| Column F: |
Residuals for Valve 2 |
| Column G: |
Residuals for Valve 3 |
| Column H |
Residuals for Valve 4 |
Sheet3
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