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 50°C 60°C 70°C 32 34 29 22 35 34 34 38 34 37 27 36 30 31 37 Construct an analysis of variance table (to 2 decimals, if necessary). Source of Variation Sum of Squares Degrees of Freedom Mean Square F Treatments 1 2.5 .12 Error 4 19.25 Total 97.5 5 Use a .05 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 p-value is What is your conclusion?

          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 32 34 29 22
35 34 34 38 34 37 27 36 30 31 37 Construct an analysis of variance
table (to 2 decimals, if necessary). Source of Variation Sum of
Squares Degrees of Freedom Mean Square F Treatments 1 2.5 .12 Error
4 19.25 Total 97.5 5 Use a .05 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 p-value is What is your conclusion?

Added by Daniel M.

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