Statistics Calculator

Calculate mean, median, mode, standard deviation, variance and range from a list of numbers. Enter numbers separated by commas or spaces. Ideal for homework and data analysis.

Separate with commas or spaces

How to use

Enter your numbers in the box, separated by commas or spaces (or one per line). Click Calculate to get the count, sum, mean (average), median, mode, min, max, range, variance and standard deviation. Sample standard deviation uses n−1; population uses n.

What each statistic means

  • Mean: sum of values divided by count (average).
  • Median: middle value when sorted; for even count, average of the two middle values.
  • Mode: value(s) that appear most often.
  • Standard deviation: spread of the data. Sample (n−1) for a sample from a larger group; population (n) when the data is the whole group.
  • Variance: square of the standard deviation.

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