Homework SourseThe data in the Problem 7 worksheet of the Data below provi
The data in the Problem 7 worksheet of the “ Data” below provides a particular quality characteristic from a random sample of a product run. The desired standard deviation is 5.
a. Prove if the standard deviation is greater than the desired level (95% confidence).
b. What is the observed significance level?
| 37.38027 |
| 37.54312 |
| 41.26789 |
| 35.65297 |
| 52.43548 |
| 44.50937 |
| 52.64476 |
| 36.10478 |
| 46.51746 |
| 37.6997 |
| 49.32191 |
| 47.52345 |
| 35.91223 |
| 51.1991 |
| 49.94096 |
| 45.00156 |
| 41.87105 |
| 49.12475 |
| 40.18992 |
| 36.09986 |
| 36.58362 |
| 47.9869 |
| 51.20524 |
| 47.26599 |
| 45.23754 |
| 49.24286 |
| 49.23206 |
| 40.09597 |
| 47.57047 |
| 39.54099 |
| 43.3951 |
| 35.08718 |
| 38.20034 |
| 50.84524 |
| 47.25678 |
| 36.0775 |
| 42.99573 |
| 36.17187 |
| 41.0421 |
| 46.63139 |
| 50.56475 |
| 51.72406 |
| 43.30431 |
| 49.79724 |
| 51.78481 |
| 49.9013 |
| 47.89966 |
| 40.53913 |
| 49.8185 |
| 43.98187 |
Solution
the standard deviation is:
5.632809892
The desired standard deviation is :5.
so that standard deviation is greater than the desired level
| 5.632809892 The desired standard deviation is :5. so that standard deviation is greater than the desired level |
