NSG 222 Midterm Proficiency knowledge test Exam Questions and certified Answers 2024/2025
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Course
NSG 222
Institution
NSG 222
NSG 222 Midterm Proficiency knowledge test Exam Questions and certified Answers 2024/2025
Describes the accuracy of the sample proportion as an estimate of the true population proportion - correct answer Standard error of a proportion
Reflects the likelihood that the outcome will occur or not...
NSG 222 Midterm Proficiency knowledge test
Exam Questions and certified Answers
2024/2025
Permission - correct answer What must you have before you can access or collect
data?
Requires Institutional Review Board Approval - correct answer What kind of permission
do you need for research?
Institutional approval - correct answer What kind of permission do you need for quality
improvement and evaluation?
refers to the accuracy of the data - correct answer Data accuracy
It begins with the original data plan. - correct answer When does dat analysis begin?
How the data will be measured.
How the data will be recored.
How the data will be entered into an electronic file.
How the data will be examined for accuracy. - correct answer What must the data plan
address?
In a secure network such a s a private drive. - correct answer Where can you save
your data?
Contain the cases, observation or records
Horizontal - correct answer What goes in the rows of a data file?
The Variables
,Vertical - correct answer What do the column contain in a data file?
The first column
This is not a variable - correct answer Where do the case identifiers go?
Lists all the variables in the order that they appear in the column from left to right -
correct answer Data Dictionary
Which variable is located in each column.
The variable name.
The variable descriptive label.
The level of measurement.
For categorical variables; the explanation of codes - correct answer What will the map
of a data dictionary tell you?
Short variable name (clear, concise and meaningful)
Descriptive variable label (how it was measured, when, units)
The level of measurement
Explanation of the codes for categorical variables - correct answer What are the 4
things that should be specified in a data dictionary?
One variable at a time - correct answer Univarite anaylsis
Describe the data - correct answer What is the first step in any data analysis?
Descriptive Statistics - correct answer What are the vital signs of data
Used to organize, summarize and report data. They can summarize large amounts of
data in just a few numbers or a simple graphic display. - correct answer What are
descriptive statistics?
, They types of descriptive statistics that can be performed. - correct answer What does
the level of measurement dictate?
What mathematical and statistical operations can be performed. - correct answer What
does the type of data determine?
Frequencies and Percentages - correct answer Categorical Data (Nominal/Ordinal)
Bar charts - correct answer What graphic display is used for Nominal data?
Histogram - correct answer What graphic display is used for ordinal data?
Measures central location and measures of spread, tests of nomaility - correct answer
Continuous Data (Ratio/Interval)
Histograms
Stem and leaf
Box and whisker - correct answer What graphic display is used for continuous data?
Mean, median and mode - correct answer Measures of central location
only used for logarithmic data - correct answer Geometric mean
very rarely used, not routinely calculated by existing statistical programs - correct
answer Midrange
Arithmetic average of number - correct answer Mean
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