About 统计计算器
全面的统计分析
Use this free online 数学工具 tool to work faster without installing extra software. The interface is built for quick input, clear output, and straightforward results on desktop and mobile devices.
全面的统计分析
Data Summary
15 values: 85, 90, 78, 92, 88, 76, 95, 89, 84, 91...
Measures of Central Tendency
Mean
87.3333
Median
88
Mode
None
Measures of Dispersion
Range
19
Variance (σ²)
29.5556
Std Dev (σ)
5.4365
Sample Std Dev (s)
5.6273
Distribution
Additional Statistics
Shape
Skewness
-0.7021
Left-skewed
Kurtosis
0.2848
Mesokurtic (normal)
Frequency Distribution
全面的统计分析
Use this free online 数学工具 tool to work faster without installing extra software. The interface is built for quick input, clear output, and straightforward results on desktop and mobile devices.
This tool runs in your browser whenever possible, which keeps your inputs private and reduces unnecessary round-trips to the server.