Question
Score 8.00 10.00 6.00 7.00 8.00 9.00 10.00 4.00 10.00 10.00 10.00 8.00 8.00 6.00 2.00 9.00 10.00 4.00 3.00 4.00 8.00 9.00 8.00 10.00
| Score |
| 8.00 |
| 10.00 |
| 6.00 |
| 7.00 |
| 8.00 |
| 9.00 |
| 10.00 |
| 4.00 |
| 10.00 |
| 10.00 |
| 10.00 |
| 8.00 |
| 8.00 |
| 6.00 |
| 2.00 |
| 9.00 |
| 10.00 |
| 4.00 |
| 3.00 |
| 4.00 |
| 8.00 |
| 9.00 |
| 8.00 |
| 10.00 |
| 8.00 |
| 9.00 |
| 10.00 |
| 9.00 |
| 8.00 |
| 4.00 |
| 9.00 |
| 10.00 |
| 8.00 |
| 1.00 |
| 4.00 |
| 9.00 |
| 9.00 |
| 5.00 |
| 6.00 |
| 10.00 |
Our marketing department has run a customer satisfaction survey on our latest product release.
The following are scores collected from users with a range of 1 (poor experience) to 10 (excellent experience).
Our ideal metrics are to have an average score of 6 and standard deviation of 2.5.
1. Using a significance level of 0.050, was our feedback score from this survey significantly different from our average score of 6?
2. Again using a significance level of 0.050, did we score higher in this survey than expected?
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Sample Size Determination In Clinical Trials With Multiple Endpoints
Authors: Takashi Sozu, Tomoyuki Sugimoto, Toshimitsu Hamasaki, Scott R Evans
1st Edition
3319220055, 9783319220055
