To study the effect of temperature on yield in a chemical process, five batches

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 60°C 32 50°C 37 27 39 42 35 70°C 27 32 32 34 35 36 25 29 a. Construct an analysis of variance table (to 2 decimals, if necessary). Round p-value to four decimal places. Source of Variation Sum of Squares Degrees of Freedom Mean Square Treatments Error Total F p-value b. 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 Select What is your conclusion? Select

Explanation / Answer

From the statistical software output, the ANOVA table will be:

ANOVA table

b) The p - value is greater than 0.10

Conclusion: There is not enough evidence to conlcude that the temeprature level has an effect on the mean yield of the process.

Source DF SS MS F-Stat P-value Columns 2 70 35 1.78 0.2104 Error 12 236 19.67 Total 14 306

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