A study was conducted to see if there is a significant difference in the number of injuries incurred as a function of the type of dance. Below we have data from a sample of students taking ballet, tap, or jazz dance. Ballet Tap Jazz 10 4 17 25 10 7 15 4 12 13 7 9 7 5 12 20 6 9 a. Perform a complete hypothesis test to determine whether there are any significant differences among the three groups. Test at the .05 level of significance. SHOW ALL YOUR WORK b. Do you need to perform post hocs? Explain but do not compute the post hocs.
A study was conducted to see if there is a significant difference in the number of injuries incurred as a
|
Ballet |
Tap |
Jazz |
|
10 |
4 |
17 |
|
25 |
10 |
7 |
|
15 |
4 |
12 |
|
13 |
7 |
9 |
|
7 |
5 |
12 |
|
20 |
6 |
9 |
a. Perform a complete hypothesis test to determine whether there are any significant differences among the three groups. Test at the .05 level of significance. SHOW ALL YOUR WORK
b. Do you need to perform post hocs? Explain but do not compute the post hocs.
c. Compute effect size.
d. Summarize your findings in a source table.
e. Write an interpretation of our results in APA-format (include means and SDs in your interpretation)
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