1.109 Are the NAEP mathematics scores approximately Normal? Refer to the previous exercise. For the NAEP mathematics scores for 12th-graders, the mean is 153 and the standard deviation is 34. Here are the reported percentiles:
| Percentile |
Score |
| 10% |
110 |
| 25% |
130 |
| 50% |
154 |
| 75% |
177 |
| 90% |
197 |
Is the N(153,34) distribution a good approximation for the NAEP mathematics scores? Write a short report describing your methods and conclusions.