Statistics Calculator

Calculate mean, median, mode, range, variance, standard deviation, and quartiles with step-by-step solutions.

Calculator

Enter numbers separated by commas or new lines

Enter a set of numbers to calculate mean, median, mode, range, and other statistical measures.

Complete User Guide

Statistical Measures

  • Mean: The average of all numbers (sum divided by count)
  • Median: The middle value when numbers are sorted
  • Mode: The most frequently occurring value(s)
  • Range: The difference between maximum and minimum values
  • Standard Deviation: Measure of spread or dispersion
  • Variance: Average of squared differences from the mean
  • Quartiles: Q1 (25th percentile), Q2 (median), Q3 (75th percentile)

How to Use This Calculator

  1. Enter numbers separated by commas or new lines
  2. Click 'Calculate Statistics' to compute all measures
  3. View mean, median, mode, and range in the result cards
  4. Review additional statistics (variance, standard deviation, quartiles)
  5. Use charts to visualize frequency distribution and statistics
  6. Follow the step-by-step solution to understand calculations

Examples

Example 1: Basic Statistics

Numbers: 10, 20, 30, 40, 50

Mean: 30

Median: 30

Mode: No mode

Range: 40

Example 2: With Mode

Numbers: 5, 5, 7, 8, 9, 9, 9

Mean: 7.43

Median: 8

Mode: 9

Range: 4

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