0 Answer
Maggy Mwangi
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A composition teacher wishes to see whether a new grammar program will reduce the
number of grammatical errors her students make when writing a two page essay. The data are
shown below. Can it be concluded that the number of errors has been reduced using this new
program?
| Student | Errors Before | Errors after |
| 1 | 12 | 9 |
| 2 | 9 | 6 |
| 3 | 0 | 1 |
| 4 | 5 | 3 |
| 5 | 4 | 2 |
| 6 | 3 | 3 |