Press⌘+Kto search
IP: 获取中...
为效率而生, Just tools.goodssoft.com
统计学计算器
数据分析工具，支持描述统计、回归分析、概率分布等统计计算
数据输入
描述统计
样本数量
50
均值
52.9526
中位数
50.0500
众数
14.47, 28.74, 34.01, 34.2, 34.24, 35.67, 36.26, 37.08, 37.24, 38.47, 41.7, 42.42, 42.89, 43.5, 46.31, 46.35, 46.91, 47.19, 47.93, 48.33, 48.44, 48.6, 49.23, 49.77, 49.86, 50.24, 50.56, 52.34, 52.65, 54.33, 55.28, 55.75, 57.11, 57.53, 59.29, 61.49, 62.69, 64.52, 65.77, 68.73, 68.83, 69.88, 70.34, 70.73, 71.51, 73.01, 80.21, 81.49, 81.72, 81.82
标准差
14.8745
方差
221.2495
极差
67.3500
四分位距
21.0200
百分位数
P25: 43.0425
P50: 50.0500
P75: 64.0625
P90: 71.6600
分布分析
0.1050
右偏分布
-0.2880
平峰分布
28.0901%
变异中等
频率分布
| 区间 | 频数 | 频率 | 累积频率 |
|---|---|---|---|
| [14.4700, 21.2050) | 1 | 2.00% | 2.00% |
| [21.2050, 27.9400) | 0 | 0.00% | 2.00% |
| [27.9400, 34.6750) | 4 | 8.00% | 10.00% |
| [34.6750, 41.4100) | 5 | 10.00% | 20.00% |
| [41.4100, 48.1450) | 9 | 18.00% | 38.00% |
| [48.1450, 54.8800) | 11 | 22.00% | 60.00% |
| [54.8800, 61.6150) | 6 | 12.00% | 72.00% |
| [61.6150, 68.3500) | 3 | 6.00% | 78.00% |
| [68.3500, 75.0850) | 7 | 14.00% | 92.00% |
| [75.0850, 81.8200) | 4 | 8.00% | 100.00% |
概率分布检验
W统计量: 0.3065P值: 0.7360
数据符合正态分布
均值: [48.8296, 57.0756]
未发现异常值