Review the mean, standard deviation, and 5-number summary of the trainees’ numbers below.
Mean: 75.5
Standard Deviation: 19.57
Minimum: 18
Quartile 1: 67.75
Median: 80.5
Quartile 3: 87
Maximum: 99
Would you prefer to use the mean or the median in this dataset’s measure of central tendency? Why?
Based on this training class’s scores, what scores do you think should be considered for completion, remediation, and termination? How did you come to that conclusion?
Do you think that these scores should be the threshold for all training classes? Why or why not?
Scores
| Trainee Number | Score |
| Trainee 1 | 83 |
| Trainee 2 | 82 |
| Trainee 3 | 18 |
| Trainee 4 | 93 |
| Trainee 5 | 68 |
| Trainee 6 | 96 |
| Trainee 7 | 74 |
| Trainee 8 | 67 |
| Trainee 9 | 93 |
| Trainee 10 | 98 |
| Trainee 11 | 82 |
| Trainee 12 | 62 |
| Trainee 13 | 85 |
| Trainee 14 | 78 |
| Trainee 15 | 64 |
| Trainee 16 | 82 |
| Trainee 17 | 83 |
| Trainee 18 | 93 |
| Trainee 19 | 79 |
| Trainee 20 | 70 |
| Trainee 21 | 27 |
| Trainee 22 | 78 |
| Trainee 23 | 99 |
| Trainee 24 | 58 |
| mean | 75.5 |
| standard deviation | 19.57 |
| min | 18 |
| Q1 | 67.75 |
| median | 80.5 |
| Q3 | 87 |
| max | 99 |