Population variance

sigma2=fracSSn\\sigma^2=\\frac{SS}{n}

What it does

Calculates population variance from the supplied values.

When to use it

Use this statistics formula when the named quantities are known.

Variables

Worked example
{
  "inputs": {
    "count": 10,
    "sumSquaredDeviations": 50
  },
  "result": 5
}
Common mistakes
Check units, signs, brackets and that every value is entered in the stated units.