通常情况下,当零假设(H[img=~/QImg/2013-10-14-10-49-09/image018.jpg])为U,=μ[img=~/QImg/2013-10-14-10-49-09/image025.jpg]=μ[img=~/QImg/2013-10-14-10-49-09/image026.jpg]时,备择假设H[img=~/QImg/2013-10-14-10-49-09/image019.jpg]为
A、μ1≠μ2≠μ3
B、μ1≠μ2且μ2≠μ3
C、μ1≠μ2且μ2≠μ3且μ1≠μ3
D、μ1≠μ2且μ2≠μ3或μ1≠μ3
E、μ1≠μ2或μ2≠μ3或μ1≠μ3
发布时间:2023-07-24 21:00:06