関連ワード:  type 2 error sample size    type 2 error small sample size    type 2 error increase sample size    type 2 error large sample size    type ii error statistics sample size    type 1 type 2 error sample size    type 1 vs type 2 error sample size    type ii error and choice of sample size    does type 2 error increase with sample size    does type 2 error decrease with sample size