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01_1-三大抽样（上）.mp4 | 2025-07-26 18:59:55 | 85.79 MB | |
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02_2-三大抽样（下）.mp4 | 2025-07-26 18:59:55 | 67.46 MB | |
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03_3-频率分布直方图.mp4 | 2025-07-26 18:59:55 | 78.09 MB | |
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04_4-频率分布折线图和茎叶图.mp4 | 2025-07-26 18:59:55 | 84.61 MB | |
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05_5-用频率分布直方图计算众数与中位数.mp4 | 2025-07-26 18:59:55 | 88.03 MB | |
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06_6-用频率分布直方图计算平均值和方差.mp4 | 2025-07-26 18:59:55 | 79.29 MB | |
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07_7-平均数中位数方差基础综合.mp4 | 2025-07-26 18:59:55 | 56.22 MB | |
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08_8百分位数的估计（上）.mp4 | 2025-07-26 18:59:55 | 55.08 MB | |
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09_9百分位数的估计（下）.mp4 | 2025-07-26 18:59:55 | 46.96 MB | |
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10_10-随机事件必然事件不可能事件.mp4 | 2025-07-26 18:59:55 | 46.36 MB | |
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11_11-互斥事件与对立事件.mp4 | 2025-07-26 18:59:55 | 71.56 MB | |
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12_12-古典概型（上).mp4 | 2025-07-26 18:59:55 | 77.78 MB | |
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13_13古典概型（下）.mp4 | 2025-07-26 18:59:55 | 73.17 MB | |
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14_14--几何概型（上）.mp4 | 2025-07-26 18:59:55 | 68.6 MB | |
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15_15-几何概型（中）.mp4 | 2025-07-26 18:59:55 | 63.82 MB | |
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16_16-几何概型（下）.mp4 | 2025-07-26 18:59:55 | 60.04 MB | |
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17_17-相关系数.mp4 | 2025-07-26 18:59:55 | 75.55 MB | |
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18_18-线性回归方程的计算（上）.mp4 | 2025-07-26 18:59:55 | 60.24 MB | |
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19_19-线性回归方程的计算（下）.mp4 | 2025-07-26 18:59:55 | 77.69 MB | |
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20_20-独立性检验.mp4 | 2025-07-26 18:59:55 | 88.11 MB |