Nsg 522 Midterm Study Guide Graded A+

What are the two components of Epidemiology? {Ans: Descriptive and Analytic.}When should stratified random sampling be used? {Ans: When you have minority groups in a population and need to sample in a way that will approximate this population. Think Minority races, or male nurses.}What are the measures of spread? {Ans: Statistical Range, Epidemiological Range, Percentiles, Quartiles, Interquartile range (IQR), Standard Deviation (SD), Coefficient of Variation (CV)}When assessing Normality what does a P value >0.05 indicate? {Ans: Greater than 0.05 indicates data follows a normal distribution.}Feature of Nominal Data? {Ans: The is no ranking or ordering of the categories.}What graphics are used for continuous Data? {Ans: Histogram, Stem-and-leaf plot, Box-and-whisker- plot.}