WGU C207 Study Guide Module 5 & 6 New Questions 2024 with 100% Correct Answers | Verified | Latest Update | 100% Pass | Already Graded A+

WGU C207 Study Guide Module 5 & 6 New Questions 2024 with 100% Correct Answers | Verified | Latest Update | 100% Pass | Already Graded A+ incidence rate would be used if we want to measure the proportion of health workers who acquire Ebola from working with Ebola patients percentile indicates the percent of the population that falls below a certain value standard score for a particular data point, represents the distance from the mean in terms of standard deviations Analysis of variance (ANOVA) is used to determine if three or more sample means are statistically not all equal norm reference test is a test that compares an individual to other individuals on the bell-shaped curve criterion referenced test compares an individual to certain defined standards observed score is the score actually achieved by an individual on a test. true score is the average score an individual would achieve if he or she were to take the test infinite times random measurement error can eventually be eliminated over time as the number of tests increases (according to Classic Test Theory) systematic measurement error occurs when something that is entirely unrelated to the test is affecting test scores item response theory takes into account that different questions may have different levels of difficulty