WGU C784 2024 Applied Healthcare Statistics Exam – All Questions & Answers (Graded A+)

WGU C784 2024 Applied Healthcare Statistics Exam – All Questions & Answers (Graded A+) WGU C784 2024 Applied Healthcare Statistics Exam – All Questions & Answers (Graded A+) US Preventative Services Task Force - ANSWER - develop evidence-based guidelines for healthcare Cochrane Collaboration - ANSWER - develop and disseminate systemic reviews of healthcare interventions Florence Nightingale David - ANSWER - produced the first edition of Tables of the Correlation Coefficient population - ANSWER - The entire group having some characteristic (eg, all people with depression, all residents of the United States). Often a sample is taken of the population and then the results are generalized to that population. sample - ANSWER - A group selected from the population in the hope that the smaller group will be representative of the entire population. parameter - ANSWER - characteristic of a population statistic - ANSWER - characteristic of a sample descriptive statistic - ANSWER - numerical or graphical summaries of data, and may include charts, graphs, and simple summary statistics such as means and standard deviations to describe characteristics of a population sample inferential statistics - ANSWER - statistical techniques (e.g., chi-square test, the t test, the one-way ANOVA) that allow conclusions to be drawn about the relationships found among different variables in a population sample quantitative variables - ANSWER - a characteristic that can be measured numerically, a characteristic with numeric values that have meaning and for which arithmetic operations such as adding and averaging make sense. Ex: height, weight, income, heart rate, etc. categorical variables - ANSWER - a characteristic that takes on values that are names or labels.These are data that cannot be averaged or represented by a scatter plot as they have no numerical meaning. Ex: The color of a ball, gender, year in school. data - ANSWER - the raw materials of research, they provide the numbers upon which we perform statistics