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Statistics: mean, median and variance

Summarise a list with mean, median, minimum and maximum. The median is the middle of the sorted list; the mean is the sum divided by the count.

Results

Example using default values

Use decimal points and separate numbers with semicolons, spaces or commas. A comma is a separator, not a decimal mark. Maximum 10,000 numbers with absolute values up to 1e100. Population variance divides by n; sample variance divides by n−1 and needs at least two numbers. Descriptive results do not establish causation.

Mean: 2.5

Estimate, not a legal decision

Read methodology

Use the result as decision support and planning help. For high-stakes choices, confirm the details with the relevant authority, lender, employer, or adviser.

Result details

Median: 2.5
Count: 4
Minimum: 1

Result details

Result details

Maximum: 4
Variance: 1.25
Standard deviation: 1.12
Sum: 10

Analysis & guidance

Method
Summarise a list with mean, median, minimum and maximum. The median is the middle of the sorted list; the mean is the sum divided by the count.
Example
For 1;2;3;4 the mean and median are 2.5. The sum is 10 and population variance is 1.25. Sample variance is 5/3, approximately 1.6667.
Limitations
Use decimal points and separate numbers with semicolons, spaces or commas. A comma is a separator, not a decimal mark. Maximum 10,000 numbers with absolute values up to 1e100. Population variance divides by n; sample variance divides by n−1 and needs at least two numbers. Descriptive results do not establish causation.

Statistics: mean, median and variance

Method

Summarise a list with mean, median, minimum and maximum. The median is the middle of the sorted list; the mean is the sum divided by the count.

Example

For 1;2;3;4 the mean and median are 2.5. The sum is 10 and population variance is 1.25. Sample variance is 5/3, approximately 1.6667.

Limitations

Use decimal points and separate numbers with semicolons, spaces or commas. A comma is a separator, not a decimal mark. Maximum 10,000 numbers with absolute values up to 1e100. Population variance divides by n; sample variance divides by n−1 and needs at least two numbers. Descriptive results do not establish causation. Recalculate when your circumstances change.

How the calculation works

Method

Summarise a list with mean, median, minimum and maximum. The median is the middle of the sorted list; the mean is the sum divided by the count.

Example

For 1;2;3;4 the mean and median are 2.5. The sum is 10 and population variance is 1.25. Sample variance is 5/3, approximately 1.6667.

Limitations

Use decimal points and separate numbers with semicolons, spaces or commas. A comma is a separator, not a decimal mark. Maximum 10,000 numbers with absolute values up to 1e100. Population variance divides by n; sample variance divides by n−1 and needs at least two numbers. Descriptive results do not establish causation.

How to read this calculator

These results are meant as guidance. They are based on rules, assumptions, and simplified models that can differ from your exact real-world situation.

Estimate, not a legal decision

Use the result as decision support and planning help. For high-stakes choices, confirm the details with the relevant authority, lender, employer, or adviser.

Methodology

Each calculator uses defined inputs, assumptions, and logic. We explain the broader approach on the methodology page.

Read methodology

Sources and updates

Important calculators should be traceable back to official rules, public guidance, or other clearly stated references.

Read about sources

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