6-85  ĳһ̨װװǣÿװһֲ̬ʱֵΪ0.5׼Ϊ0.015ĳտװǷسȡװ9ƵþΪ()
0.497,  0.506,  0.518,  0.524,  0.498,  0.511,  0.52,  0.515,  0.512
ʻǷ
⣺̺֪ͦǵ2Ϊ֪ʱˮƽ=0.05£ֵжϦ=0.5Ǧ̡0.5Ϊ裺
ԭ裺  H0 =0 = 0.5
裺H1 ̡0.5
>> X=[0.497,0.506,0.518,0.524,0.498,0.511,0.52,0.515,0.512];
>> [h,sig,ci,zval]=ztest(X,0.5,0.015,0.05,0)
ʾΪ
h =
     1
sig =
    0.0248       %۲ֵĸ
ci =
    0.5014    0.5210        %䣬ֵ0.5ڴ֮
zval =
    2.2444       %ͳֵ
H=1˵ˮƽ=0.05£ɾܾԭ裬Ϊװ
