NSG 522 EPIDEMIOLOGY AND BIOSTAT EXAM 1 NSG 522
EXAM 1 2026/2027 QUESTIONS WITH DETAILED VERIFIED
ANSWERS / EXAM QUESTIONS AND VERIFIED ANSWERS
|ALREADY GRADED A+|
In a box-and-whisker plot, the length of the box is equal to the: -
ANSWER-Interquartile range
T/F: The reliability of a weight measurement obtained with an
electronic scale refers to the accuracy of the measurement. -
ANSWER-F
Satisfaction with care is rated on a scale from 1 (extremely
dissatisfied) to 6 (extremely satisfied). The scores would best be
displayed using a" - ANSWER-Histogram
A variable was recoded as disease present, disease not present,
or unknown. When performing the descriptive statistics, which of
the following should be used? SELECT ALL THAT APPLY
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Epidemiological range
Percentages
Median
Frquencies
Mode - ANSWER-Frequencies, percentages
T/F: Bar charts and histograms can both be used to describe
interval level data. - ANSWER-F
What is the median of the following set of numbers?
9, 1, 8, 5, 3, 10, 2, 12, 5, 7 - ANSWER-6
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T/F: A study can have more than one dependent variable. -
ANSWER-T
When analyzing the variable gender, which was measured in 5
categories (male, female, transgender male, transgender female,
other), the data should be displayed using a: - ANSWER-Bar
chart
T/F: 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-F
A nurse practitioner student is completing his final practicum in
the outpatient clinic of the health care organization that is part of
the university. As a part of the course requirements for the final
term, the student must complete a quality improvement project.
The student decides to examine whether the staff routinely
assess vaccination status for healthy adults. Since this is a quality
improvement project for the clinic and a course requirement for
the student, does the student need any additional approvals to
review patient records for this project? - ANSWER-Yes, the
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student needs to obtain appropriate permission to examine the
data.
T/F: An operational definition defines how a variable will be
measured, and includes the equipment and procedures that are
used in the measurement. - ANSWER-T
The best way to determine whether data are normally distributed
is to perform a: - ANSWER-Shapiro-Wilk test
T/F: The best place to store data from a clinical project conducted
by 2 students and their advisor would be in a cloud-based system
such as Google docs so that all team members can easily access
the data and be sure that they are using the most current version
of the data. - ANSWER-F
Process by which we link ideas or concepts with reality -
ANSWER-Measurement