Questions With Accurate Answers
A student is planning on conducting a quality improvement project on a unit in
the university hospital where the student is enrolled. Since the project is required
by the university and the university owns the hospital, the student does not need
to obtain additional permission for the project correct answer False
A study can have only one dependent variable correct answer False
A variable was coded as disease present, disease not present, or disease status
unknown. When performing the descriptive statistics, which of the following
should be used? SELECT ALL THAT APPLY
Median
Frequencies
Precentages
Mode
Proportions correct answer Frequencies
Percentages
An conceptual definition defines how a variable will be measured, and includes
the equipment and procedures that are used in the measurement correct answer
False
Bar charts and histograms can both be used to describe interval level data correct
answer False
, Height recorded in centimeters should be displayed using SELECT ALL THAT APPLY
Bar chart
Histogram
Stem-and-leaf plot
Box-and-whisker plot correct answer Histogram
Stem-and-leaf plot
Box-and-whisker plot
In a box-and-whisker plot, the length of the box is equal to the correct answer
Interquartile range
Match the following variables to the correct level of measurement (nominal,
ordinal, interval, ratio)
Disease status (present or absent)
Temperature in Fahrenheit
Blood type
Level of education
Hemoglobin A1C
Time in minutes
Race (self-reported)
Quality of life on a scale of 1 to 5
Weight in ounces
Oxygen saturation in percent correct answer Disease status (present or absent) -
nominal
Temperature in Fahrenheit - interval