5. –/6 points 0/2 Submissions Used Ask Your Teacher My Notes Use SPSS for this A

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5.–/6 points0/2 Submissions Used

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My Notes

Use SPSS for this Application Exercise:
A market researcher wants to determine how long the flavor last for a three different types of chewing gums made by a client. The researcher randomly selects participants and asks them to chew a different piece of gum in each of three days. The order of the gums was randomly determined for each participant. After two hours of chewing, participants recorded the intensity of the gum flavor. Below are the data. What can be concluded with ? = 0.01?

a) What is the appropriate test statistic?
---Select--- na one-way ANOVA within-subjects ANOVA two-way ANOVA

b) Compute the appropriate test statistic(s) to make a decision about H0.
p-value =  ; Decision:  ---Select--- Reject H0 Fail to reject H0

c) Using the SPSS results, compute the corresponding effect size(s) and indicate magnitude(s).
?2 =  ;  ---Select--- na trivial effect small effect medium effect large effect

d) Make an interpretation based on the results.
At least one of the gums differ on flavor intensity

OR

.None of the gums differs on flavor intensity.    

Explanation / Answer

gum 1 gum 2 gum 3 4 6 5 9 6 4 6 3 6 6 9 7 3 7 7 4 7 5 4 6 4 6 9 5 4 6 5 DATA Groups N Mean Std. Dev Std. Error gum 1 9 5.1111 1.8333 0.6111 gum 2 9 6.5556 1.8105 0.6035 gum 3 9 5.3333 1.118 0.3727 ANOVA Source Degree of Freedom DF Sum of Squares SS Mean Square MS F-Stat p-Value Between-Groups 2 10.8899 5.445 2.0706 0.1481 Within-Groups 24 63.1106 2.6296 Total 26 74.0005

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