/*
-- Title : Paired T-test vs. Independent T-test
-- Reference : BDMBA, Datacenter 김O지
-- Tag : paired t-test independent t-test t test t-검정 t 검정 t검정 등분산 이분산 variance f-test f test f검정 f-검정 f 검정 var.equal paired greater less
*/
■ T-test 비교
■ R-Script : Paired T-test
■ R-Script : Independent T-test