To normalize the marks, I added 3 marks to everyone's score. This gave everyone a positive mark.
| Lab 10 Quiz Statistics | ||||||||
| Final Mark | Basic Scheme | Count | Percent | Cumulative | Cumulative | |||
| 0 | F | 3 | 21% | 21% | 100% | |||
| Mean | 58.3 | 50 | D | 3 | 21% | 43% | 79% | |
| Median | 62.5 | 60 | C | 3 | 21% | 64% | 57% | |
| Mode | 62.5 | 70 | B | 3 | 21% | 86% | 36% | |
| Population Std Deviation | 27.5 | 80 | A | 2 | 14% | 100% | 14% | |
| Standard Deviation | 28.5 | 14 | 100% | |||||
| Population Variance | 754.0 | |||||||
| Sample Variance | 812.0 | |||||||
| Kurtosis | -0.1 | |||||||
| Skewness | -0.5 | |||||||
| Range | 95.8 | |||||||
| Minimum | 4.2 | |||||||
| Maximum | 100.0 | |||||||
| Sum | 816.7 | |||||||
| Count | 14.0 | |||||||
| Confidence Level(95.0%) | 14.9 | |||||||
