NSG-522 Midterm Pre-Test.

NSG-522 Midterm Pre-Test. The frequency and relative frequency presented as a percentage should both be reported when describing interval level data - CORRECT ANSWER False What type of graphic display would be the best for a variable measured at the ordinal data? - CORRECT ANSWER Histogram The operational definition of a variable - CORRECT ANSWER Specifies how a variable should be measured The epidemiological range is - CORRECT ANSWER the minimum and maximum values When reporting the mean for a variable, what measure of spread should be reported? - CORRECT ANSWER The standard deviation clinical data conducted can be shared to a cloud for all involved researchers to share/view - CORRECT ANSWER false The dependent variable - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT ANSWER False Match the following variables to the correct level of measurement (A. Interval, B. Nominal, C. Ratio, D. Ordinal) Temperature in Fahrenheit Presence or Absence of disease Weight in ounces Race Quality of life (1-5) Hemoglobin A1C Time in Minutes Level of education Oxygen Saturation Blood type - CORRECT ANSWER Temperature in Fahrenheit- A. Interval Presence or Absence of disease- B. Nominal