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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
48.7186
中位数
48.0600
众数
12.72, 14.8, 25.03, 25.72, 26.7, 28.86, 29.24, 30.81, 31.75, 31.78, 31.87, 33.1, 34.6, 35.54, 36.77, 37.38, 39.14, 39.92, 40.17, 41.16, 41.86, 43.58, 44.26, 46.71, 47.74, 48.38, 48.67, 48.92, 50.4, 51.1, 52.05, 53.68, 54.75, 57.76, 58.23, 58.52, 61.51, 61.62, 63.42, 64.43, 67.03, 68.57, 69.02, 69.48, 71.41, 71.92, 72.11, 72.47, 86.61, 102.66
标准差
18.1577
方差
329.7008
极差
89.9400
四分位距
26.7575
百分位数
P25: 34.8350
P50: 48.0600
P75: 61.5925
P90: 71.4610
分布分析
0.4500
右偏分布
0.1619
平峰分布
37.2705%
变异很大
频率分布
| 区间 | 频数 | 频率 | 累积频率 |
|---|---|---|---|
| [12.7200, 21.7140) | 2 | 4.00% | 4.00% |
| [21.7140, 30.7080) | 5 | 10.00% | 14.00% |
| [30.7080, 39.7020) | 10 | 20.00% | 34.00% |
| [39.7020, 48.6960) | 10 | 20.00% | 54.00% |
| [48.6960, 57.6900) | 6 | 12.00% | 66.00% |
| [57.6900, 66.6840) | 7 | 14.00% | 80.00% |
| [66.6840, 75.6780) | 8 | 16.00% | 96.00% |
| [75.6780, 84.6720) | 0 | 0.00% | 96.00% |
| [84.6720, 93.6660) | 1 | 2.00% | 98.00% |
| [93.6660, 102.6600) | 1 | 2.00% | 100.00% |
概率分布检验
W统计量: 0.4782P值: 0.6199
数据符合正态分布
均值: [43.6856, 53.7516]
发现 1 个异常值:
102.66