suly 发表于 2010-8-17 21:16 
Tests for Location: Mu0=0
Test Statistic p Value
Student's t t -4.41596 Pr > |t| = |M| = |S|
Tests for Location: Mu0=0
Test Statistic p Value
Student's t t -4.41596 Pr > |t| <.0001
Sign M -23.5 Pr >= |M| <.0001
Signed Rank S -1344 Pr >= |S| <.0001
lz,如果样本来自正态总体,则看第一行: Student's t t -4.41596 Pr > |t| <.0001
如果样本来自非正态如果,或者总体分布未知,则看第三行:Signed Rank S -1344 Pr >= |S| <.0001
如取 alpha=.05,则可以认定总体均值与0 的差别具有统计学意义!