To study the effect of temperature on yield in a chemical process, five batches
ID: 3257340 • Letter: T
Question
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
Construct an analysis of variance table (to 2 decimals, if necessary).
Use a .05 level of significance to test whether the temperature level has an effect on the mean yield of the process.
The p-value is Selectless than .01between .01 and .025between .025 and .05between .05 and .10greater than .10Item 10
What is your conclusion?
SelectConclude that the mean yields for the three temperatures are not all equalConclude that the mean yields for the three temperatures are all equal
Temperature
50°C 60°C 70°C 31 32 26 21 33 31 33 36 31 36 25 33 29 29 34Explanation / Answer
Enter data in excel.
Click on data->Data Analysis and select One way ANOVA.
Select data range and click OK.
One way ANOVA table is shown below:
The p-value is greater than 0.10. Fail to reject null hypothesis of equal means.
Conclude that the mean yields for the three temperatures are all equal.
Anova: Single Factor SUMMARY Groups Count Sum Average Variance 50°C 5 150 30 32 60°C 5 155 31 17.5 70°C 5 155 31 9.5 ANOVA Source of Variation SS df MS F P-value Treatments 3.33 2 1.67 0.08 0.9193 Error 236.00 12 19.67 Total 239.33 14Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.