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 50°C 38 28 40 43 36 Temperature 60°C 34 35 38 27 31 70°C 30 35 35 37 38 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 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

Explanation / Answer

From the output, the ANOVA table will be:

ANOVA table

b) The p - value is 0.3909

Source Sun of Squares Degrees of Freedom Mean Square F-Stat P-value Treatment 40 2 20 1.02 0.3909 Error 236 12 19.67 Total 276 14

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