BCPS ACCP Study Materials| 137 QUESTIONS| WITH COMPLETE SOLUTIONS

Types of random variables correct answer: discrete and continuous discrete - values are limited (nominal and ordinal) continuous - values are not (interval and ratio) Discrete Variable correct answer: Can only be limited number of values within a given range Nominal and ordinal data Discrete Variable Subtypes correct answer: Nominal - classification into groups that are not ordered or ranked (yes/no; gender; race; etc.) Ordinal - classification into groups that are ranked or tied to severity Nominal data correct answer: type of discrete data that is classified into groups that are not ordered or ranked (yes/no; gender; race; etc.) Ordinal data correct answer: type of discrete data that is classified into groups that are ranked or tied to severity (pain scales, NYHA functional classifications, etc.) Means and standard deviations should not be used for this data (but often is) Continuous variables correct answer: can be any value within a given range and numbers are ranked subtypes: interval and ratio Interval data correct answer: type of continuous variable - numbers are ranked