Trey wonders if all four classes in his grade are the same size , so he decides
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Question:
Trey wonders if all four classes in his grade are the same size, so he decides to complete a Goodness of Fit test with = 0.05, after looking at the four classes, he finds there are total of 121 students
| Classroom | Observed Number of Students | Expected Number of Students |
| 1 | 28 | 30.25 |
| 2 | 30 | 30.25 |
| 3 | 31 | 30.25 |
| 4 | 32 | 30.25 |
What are the null and alternative hypotheses?
With an X2 = 0.2893, what should Trey's conclusion be, at =0.05?
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