NSG-522 Midterm Questions And Answers

The frequency and relative frequency presented as a percentage should both be reported when describing interval level data - Answer- False What type of graphic display would be the best for a variable measured at the ordinal data? - Answer- Histogram The operational definition of a variable - Answer- Specifies how a variable should be measured The epidemiological range is - Answer- the minimum and maximum values When reporting the mean for a variable, what measure of spread should be reported? - Answer- The standard deviation clinical data conducted can be shared to a cloud for all involved researchers to share/view - Answer- false The dependent variable - Answer- the outcome variable Outliers can be identified using a (SELECT ALL THAT APPLY) a. Box-and-whisker plot with Tukey Fences. b. Histogram. d. Stem-and-leaf plot. e. Bar chart. f. Any/all of the above - Answer- A. Box and whisker plot with Turkey fences The most frequently occurring number in a set of numbers is the a. Median b. Mode. c. Midrange d. Frequency e. 50th percentile - Answer- b. mode The decision to use the mean or median is based upon (Select all that apply) A. Whether the data are normally distributed b. Which statistical tests will be used for hypothesis testing c. The presence or absence of outliers d. The guidelines of the journal where the data will be published - Answer- A. Whether the data are normally distributed B. The presence or absence of outliers When a continuous variable has a normal distribution and only 1 small outlier, the mean and standard deviation should be used to describe the variable - Answer- False Match t