| Scores | # of Students | |
|---|---|---|
| 50 | 4 | |
| 43 | 12 | |
| 35 | 15 | |
| 25 | 10 | |
| 24 | 9 |
Mean of a Discrete Probability Distribution
- Mean / Weighted Average
- Variance
- Distance of a random variable from the mean.
| Frequency | ||||||
|---|---|---|---|---|---|---|
| 0 | 1 | 1 | 0.25 | 0.25 | ||
| 1 | 0 | 2 | 0.5 | 0 | ||
| 2 | 1 | 1 | 0.25 | 0.25 | ||
| 0.50 |
1 min read
| Scores | # of Students | |
|---|---|---|
| 50 | 4 | |
| 43 | 12 | |
| 35 | 15 | |
| 25 | 10 | |
| 24 | 9 |
| Frequency | ||||||
|---|---|---|---|---|---|---|
| 0 | 1 | 1 | 0.25 | 0.25 | ||
| 1 | 0 | 2 | 0.5 | 0 | ||
| 2 | 1 | 1 | 0.25 | 0.25 | ||
| 0.50 |