In: Statistics and Probability
3. The number of misprints on 200 selected pages from the 2018 editions of the Earth News, a quality newspaper, were recorded. The table below summarizes the result.
No. of misprint per page, xi | Frequency, fi |
0 | 5 |
1 | 12 |
2 | 31 |
3 | 40 |
4 | 38 |
5 | 29 |
6 | 22 |
7 | 14 |
8 | 5 |
>8 | 4 |
Perform the ?2 − test at ? = 0.05 to test the claim that a suitable model for these data is Poisson with a mean of 4.