The following are multiple choice questions (with answers) about medical knowledge.   **Question:** An investigator want to know the similarity of the mean peak flow of expiratory rates and non-smokers, light smokers, moderate smokers, & heavy smokers. Which is statistical test of significance:   (A) One way ANOVA   (B) Two way ANOVA   (C) Student-t test   (D) Chi square test
['(A) One way ANOVA <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) One way ANOVA \n (B) Two way ANOVA \n (C) Student-t test \n (D) Chi square test <> possible answers', '  An investigator want to know the similarity of the mean peak flow of expiratory rates and non-smokers, light smokers, moderate smokers, & heavy smokers. Which is statistical test of significance: <> context@']