Z score

z=fracxmusigmaz=\\frac{x-\\mu}{\\sigma}

What it does

Calculates z score from the supplied values.

When to use it

Use this statistics formula when the named quantities are known.

Variables

Worked example

{
  "inputs": {
    "mean": 60,
    "value": 70,
    "standardDeviation": 5
  },
  "result": 2
}

Common mistakes

Check units, signs, brackets and that every value is entered in the stated units.