BCACP - Stats 1 (Basic Status and Study Design) questions with correct answers

What is a continuous variable? CORRECT ANSWER-an infinite number of values are possible Two types of continuous variables? CORRECT ANSWER-interval (change in units is consistent) and ratio (similar to interval, except have an absolute zero) What is a discrete variable? 2 types CORRECT ANSWER-dichotomous or categorical Nominal variable? CORRECT ANSWER-discrete variables classified into groups with no particular order (sex and mortality) Ordinal variable? CORRECT ANSWER-discrete variable allowing rank but without a consistent size in between (pain score) what is the mean sensitive too? CORRECT ANSWER-outliers what is the median? CORRECT ANSWER-the middle number in the order what is the mode? CORRECT ANSWER-number that appears most often