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.