Chapter 13 Assignment Assignment: Chapter 13 Assignment 3. e To study the effect

Question

Chapter 13 Assignment Assignment: Chapter 13 Assignment 3. e 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 7. e S0 70°C 32 34 35 38 34 34 36 34 37 30 31 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 SquareF 1. Trestments 14. 2 35.00 1.700 21043 70 Error 236) 12 19.67 306 14 b. 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). 1.78 The pvalue is rester chan 10 What is your condlusion? Do net reject the assunption that the mean vields for the three tengeratures are equal ype here to search

Explanation / Answer

1. (a)

(b) The value of test statistic is 0.59.

The P-value is greater than 0.10.

Do not reject the assumption that the mean yeilds for the 3 tempertures are eqal.

2.

3.

The value of test statistic is 9.91.

Source of Variation SS df MS F P-value Treatments 23.33 2 11.67 0.5932 0.568 Error 236 12 19.67 Total 259.33 14

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