WGU C784 Applied Healthcare Statistics Exam (New 2023/ 2024 Update) | Questions and Verified Answers| 100% Correct| Grade A

WGU C784 Applied Healthcare Statistics Exam (New 2023/ 2024 Update) | Questions and Verified Answers| 100% Correct| Grade A QUESTION How do you find the IQR of data? Answer: IQR (interquartile range) is the distance (difference) between Q3 and Q1 (so Q3-Q1) QUESTION What is in a 5-number summary? Answer: min, Q1, median, Q3, max QUESTION What percentage is a standard deviation of 1? Answer: 68% QUESTION What percentage is a standard deviation of 2? Answer: 95% QUESTION What percentage is a standard deviation of 3? Answer: 99.7% QUESTION When working with probability, what mathematical operation do you use when the question uses OR? Answer: add and/or subtract QUESTION When working with probability, what mathematical operation do you use when the question uses AND? Answer: multiply (but follows this rule as well) QUESTION When working with probability, what mathematical operation do you use when the question uses conditional probability? Answer: divide ("and"/condition) QUESTION What is the equation for DEPENDENT events?