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CSUF Portal-Home :. Cengage -. CengageNOW | Online teachir sic.cengagenow.com/ilm/takeAssignment/takeAssignmentMain.do?invokerassignments&takeAssignmentSessionLocator;=assignment-take 1. Check My Work (2 remaining 2. 3. 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 31 32 35 24 28 5. 70°C 23 28 28 30 31 50°C 20 32 35 28 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 p-value 19.25 Total 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? Conclude that the mean yields for the three t are not all equal Hide Feedback Partially Correct

Explanation / Answer

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

ANOVA table

b) p - Value is greater than 0.05 so do not reject Ho

Source Sum of Squares Degrees of freedom Mean Square F-Stat P-value Treatment 10 2 5 0.25 0.7796 Error 236 12 19.67 Total 246 14

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