Statistics Calculator

Enter numeric data to automatically calculate mean, variance, standard deviation, and other key statistics.

Calculations

• Mean - Sum of values ÷ count
• Median - Middle value when sorted
• Mode - Most frequent value
• Variance - Measure of spread
• Standard Deviation - Square root of variance
• Range - Max - Min

Population vs Sample

• Population - Divide by n
• Sample - Divide by n-1 (unbiased)

Use Cases

• Test score analysis
• Research data analysis
• Quality control
• Financial data analysis