Question
To study the effect of temperature on yield in a chemical process, five batches were produced...
To study the effect of temperature on yield in a chemical process, five batches were produced at each of three temperature levels. The results follow.
|
Temperature |
||||
| 50°C | 60°C | 70°C | ||
| 30 | 35 | 28 | ||
| 20 | 36 | 33 | ||
| 32 | 39 | 33 | ||
| 35 | 28 | 35 | ||
| 28 | 32 | 36 | ||
a. Construct an analysis of variance table (to 2 decimals but p-value to 4 decimals, if necessary).
| Source of Variation | Sum of Squares | Degrees of Freedom | Mean Square | F | p-value |
| Treatments | |||||
| Error | |||||
| Total |
b. Use a level of significance to test whether the temperature level has an effect on the mean yield of the process.
Calculate the value of the test statistic (to 2 decimals).
The -value is - Select your answer -less than .01between .01 and .025between .025 and .05between .05 and .10greater than .10Item 12
What is your conclusion?
- Select your answer -Conclude that the mean yields for the three temperatures are not all equalDo not reject the assumption that the mean yields for the three temperatures are equalItem 13
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o study the effect of temperature on yield in a chemical
process, five batches were produced at each of three temperature
levels. The results follow.
Temperature
50°C
60°C
70°C
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variance table (to 2 decimals, if necessary). Round
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Source of
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Sum of
Squares
Degrees of
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Total
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50°C
60°C
70°C
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