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230问答网 > 有哪些描述性统计量，各描述什么特征

有哪些描述性统计量，各描述什么特征

2025-03-24 14:01:20

推荐回答（1个）

回答1：

描述性统计量
平均数的 95% 信赖
个数平均数标准差标准误区间最小值最大值
下界上界下界上界下界上界下界上界娱乐时1 15 2.200 1.2928 .3338 1.484 2.916 .5 5.0 间 2 8 3.375 1.1573 .4092 2.407 4.343 2.0 5.5
3 11 2.409 1.3751 .4146 1.485 3.333 .5 5.5
4 6 3.000 .8944 .3651 2.061 3.939 2.0 4.0
总和 40 2.613 1.2835 .2029 2.202 3.023 .5 5.5 读书时1 15 2.500 1.3628 .3519 1.745 3.255 .0 4.5 间 2 8 1.563 .7289 .2577 .953 2.172 .5 2.5
3 11 2.091 1.1140 .3359 1.343 2.839 .5 4.0
4 6 1.583 1.0206 .4167 .512 2.654 .5 3.5
总和 40 2.063 1.1723 .1854 1.688 2.437 .0 4.5
变异数同质性检定
Levene 统计量分子自由度分母自由度显著性
娱乐时间 .400 3 36 .754
读书时间 1.799 3 36 .165
ANOVA
平方和自由度平均平方和 F 检定显著性娱乐时间组间 8.560 3 2.853 1.845 .157
组内 55.684 36 1.547
总和 64.244 39 读书时间组间 6.258 3 2.086 1.586 .210
组内 47.336 36 1.315
总和 53.594 39

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