TREETL
Classroom Math//v1.0/Learn something

Standard Deviation Calculator

Measure the spread of a data set.

Result

Population standard deviation

2

5

Mean

4

Variance

  1. 1Mean = 5
  2. 2Variance = sum of squared differences ÷ n = 4
  3. 3Standard deviation = √variance = 2
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About this instrument

Enter a list of numbers and choose population or sample. TREETL clearly labels which standard deviation it calculates.

What you get
  • Save time spent on repetitive calculations
  • Saves to your toolbox on any device
  • Switch currency to match yours
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Tool path

Where this fits

Part of a path: Learn something.

3 connected tools
Step 1

Standard Deviation Calculator

Measure the spread of a data set.

Open
Step 2

Mean Calculator

The average of a set of numbers.

Open
Step 3

Median Calculator

The middle value of a set of numbers.

Open
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