What is the difference between sample and population standard deviation?

Population standard deviation divides by N (the entire dataset). Sample standard deviation uses Bessel's correction dividing by (N - 1) to provide an unbiased estimate when studying a sample.

What is the difference between sample and population standard deviation?

Population standard deviation divides by N (the entire dataset). Sample standard deviation uses Bessel's correction dividing by (N - 1) to provide an unbiased estimate when studying a sample.

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Average & Statistics Calculator

Calculate mean, median, mode, sample & population standard deviation, variance, and range from any list of numbers in real time.

Number Dataset Input

Sample Datasets

Numbers (separated by commas, spaces, or line breaks)

Arithmetic Mean (Average)

86.4(N = 10)

Median88

Mode88, 92

Range21

Sum (Σ)864

Sample Statistics (n-1)

Std Deviation (s):6.669999

Sample Variance (s²):44.488889

Population Statistics (N)

Std Deviation (σ):6.327717

Population Variance (σ²):40.04

Frequently Asked Questions

Clear, concise answers to common questions about Base64 decoding, encoding, and specifications.

The Mean is the arithmetic sum divided by count. The Median is the middle number when sorted. The Mode is the most frequent value (there can be one mode, multiple modes, or no mode if all values appear once).

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