probability and statistics
Emplyee Data
| NAME | EMPID | SALARY | AGE | SEX |
| Karim | 1 | 100000 | 25 | M |
| Alex | 2 | 103200 | 32 | M |
| Kathy | 3 | 155000 | 45 | M |
| Alfred | 4 | 165200 | 33 | M |
| Ben | 5 | 125000 | 56 | M |
| Bob | 6 | 122300 | 57 | M |
| David | 7 | 123400 | 45 | M |
| Sophie | 8 | 165200 | 38 | F |
| Stella | 9 | 139000 | 71 | F |
| Mohammed | 10 | 149990 | 29 | M |
| Elvyn | 11 | 245102 | 58 | M |
| Daniel | 12 | 103500 | 33 | M |
| Aliyah | 13 | 100000 | 50 | F |
| Samantha | 14 | 100000 | 55 | F |
| Charles | 15 | 120400 | 45 | M |
| Valerie | 16 | 95210 | 43 | F |
| Tracy | 17 | 75500 | 39 | F |
| Sylvie | 18 | 67600 | 28 | F |
| Paula | 19 | 110250 | 33 | F |
| Patrice | 20 | 100000 | 32 | M |