遇见怪问题 数据是1-5的整数78个样本做正态性检验 spss软件不能通过Tests of Normality
Kolmogorov-Smirnova Shapiro-Wilk
Statistic df Sig. Statistic df Sig.
v1 .208 78 .000 .882 78 .000
v2 .266 78 .000 .800 78 .000
a Lilliefors Significance Correction
但是用stata是通过的
swilk v1
Shapiro–Wilk W test for normal data
Variable | Obs W V z Prob>z
-------------+------------------------------------------------------
v1 | 78 0.97259 1.843 1.337 0.09054
. swilk v2
Shapiro–Wilk W test for normal data
Variable | Obs W V z Prob>z
-------------+------------------------------------------------------
v2 | 78 0.99715 0.192 -3.614 0.99985
换stata中normtest
D'Agostino & Pearson | Jarque & Bera
----------+----------+----------+---------------------
| K sq | p | LM | p
----------+----------+----------+----------+----------
v1 | 2.2301 | 0.3279 | 2.2046 | 0.3321
v2 | 6.5448 | 0.0379 | 2.9222 | 0.2320
应该也是通过。问题是这两个软件结论相反?怎么解释呢?


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