Statistics Calculator
Calculate descriptive statistics such as mean, median, variance, and standard deviation.
Last updated: 2026-03-17Sources: 1 sources
What this page helps you check
Calculate descriptive statistics such as mean, median, variance, and standard deviation.
- Check statistics results quickly
- Compare multiple input scenarios before making a decision
Variance and standard deviation basis
Mean
78.4286
Median
80
Standard deviation
7.4354
標本ベース (n-1)
Count
7items
Basic statistics
Sum549
Sum of squares43,389
Minimum68
Maximum90
Range22
Mode（2 times）80
Variance and standard deviation
Variance (n)47.3878
Standard deviation (n)6.8839
Variance (n-1)55.2857
Standard deviation (n-1)7.4354
Current basisSample (n-1)
Current variance55.2857
Last updated: 2026-03-17
How to read the result
Use the result to verify calculations and compare different inputs quickly.