This calculator automatically finds the mean, standard deviation, and variance for any probability distribution.

Simply fill in the cells below for up to 10 values, then click the “Calculate” button:

**Note:** The Probability column must add up to 1.

Outcome |
Probability |
Value |
---|---|---|

Outcome 1 | ||

Outcome 2 | ||

Outcome 3 | ||

Outcome 4 | ||

Outcome 5 | ||

Outcome 6 | ||

Outcome 7 | ||

Outcome 8 | ||

Outcome 9 | ||

Outcome 10 |

Mean (μ) = **1.4500**

Standard Deviation (σ) = **0.9734**

Variance (σ^{2}) = **0.9475**

**Probabilities must add up to 1. They currently add up to 0.359**