Question

          h. What is an appropriate null hypothesis for the Interaction?            i. What is an...

          h. What is an appropriate null hypothesis for the Interaction?
           i. What is an appropriate alternate hypothesis for the Interaction?
          l. What is the value of the test statistic (F) for the Interaction?
          m. What is the p value for the Interaction?
          n. What is your conclusion concerning the null hypothesis for the Interaction? Reject / Not Reject?
          o. Does you conclusion concerning the interaction confound the effect of the two factors? Yes/No

Two Way Analysis of Variance results:

Responses: Values Row factor: Temperature Column factor: Brand

ANOVA table

Source DF SS MS F-Stat P-value
Temperature 1 20076.843 20076.843 1295.2227 <0.0001
Brand 2 52.710208 26.355104 1.7002539 0.2107
Interaction 2 19.635208 9.8176042 0.63336572 0.5422
Error 18 279.01237 15.500687
Total 23 20428.2

Means table

Alka-Seltzer Equate Kroger
Cold 83.915 78.8525 83.915 82.2275
Hot 24.79 23.565 24.79 24.381667
54.3525 51.20875 54.3525 53.304583
Math   Statistics-And-Probability   
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Homework Answers

Answer #1

Solution-h:

H0: There is no interaction effect between tempearture  and Brand

Solution-i

H1: There is an interaction effect between temperature and Brand

l. What is the value of the test statistic (F) for the Interaction?

F=0.63336572

         m. What is the p value for the Interaction?

p value=0.5422

n. What is your conclusion concerning the null hypothesis for the Interaction? Reject / Not Reject

p=0.5422

p>0.05

Fail to reject Ho

o. Does you conclusion concerning the interaction confound the effect of the two factors?

No

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