UMUC wants to use a new tutorial to teach the students about business ethics. As an experiment the administrator randomly selected 15 students and randomly assigned them to one of three groups which include either a PowerPoint presentation created by the faculty, AuthorGen Presentation created by the faculty, or a well known tutorial by the ABC Company. After completing their assigned tutorial, the students are given a Business Ethics test. At the .01 significance level, can UMUC conclude that there is a difference between how well the different tutorials work for the students?
Note: (Here is a good website where you can find the f table for significance level .01 http://www.socr.ucla.edu/Applets.dir/F_Table.html#FTable0.01)
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PowerPoint Tutorial (X1)
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AuthorGen Tutorial (X2)
|
ABC Tutorial (X3)
|
|
68
|
79
|
75
|
|
85
|
86
|
83
|
|
91
|
82
|
78
|
|
87
|
92
|
86
|
|
88
|
91
|
81
|