hant_homework
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| hant_homework [2024/06/10 15:30] – [T1] hant_g._cavendish | hant_homework [2024/06/11 01:44] (当前版本) – hant_g._cavendish | ||
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| - | - 11 | ||
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| - | - 99%的置信区间,由均值和和方算得Z=2.58, | + | - 99%的置信区间,由均值和和方算得Z=2.58, |
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| - | - ll | + | - 11 |
| ====T2==== | ====T2==== | ||
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| - | [[Hant2ANOVA|T1]] | + | [[Hant2ANOVA|T1链接]] |
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| ====T1==== | ====T1==== | ||
| - | - ll | + | - {{:: |
| + | - r=0.69 | ||
| + | - r=0.3 | ||
| + | - r=-0.8 | ||
| + | - 皮尔森相关系数受样本点的具体数值和样本量的影响很大,样本容量为10,算是比较小的,相关系数稳定性较差。 | ||
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| - | - 11 | + | - {{:: |
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| - | ====T3==== | + | |
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| - {{:: | - {{:: | ||
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| + | =====第十四章===== | ||
| + | |||
| + | ====T1==== | ||
| + | * 卡方算得约为59.58;自由度为2,α=0.05,查表得临界值为5.99,认为相关。 | ||
| + | |||
| + | ====T2==== | ||
| + | * 卡方算得约为46.03;自由度为3,α=0.05,查表得临界值为7.82,认为相关。 | ||
| + | |||
| + | =====第十五章===== | ||
| + | |||
| + | ====T1==== | ||
| + | * 14, 3,4,0,3,5,14, 3 | ||
| + | * 7.5,3,5,1,3,6,7.5,3 | ||
| + | |||
| + | ====T2==== | ||
| + | * U=25×10-50=200 | ||
| + | |||
| + | ====T3==== | ||
| + | * 不去0时临界值为8,观测值为6.5;去0则临界值为5,观测值为4;故认为显著。 | ||
| + | |||
| + | ====T4==== | ||
| + | * 观测值为3+1+0.5=4.5,临界值为4,认为无显著差异。 | ||
hant_homework.1718033416.txt.gz · 最后更改: 2024/06/10 15:30 由 hant_g._cavendish