NURS 405 Unit 4 | 2026 Update Questions with
complete solutions.
statistics
numerical outcomes and probabilities derived from calculations on raw data
descriptive statistics
type of statistics: collection and presentation of data used to explain characteristics of variables
found in a sample (helps define problem)
descriptive statistics
type of statistics: does not determine statistical significance
descriptive statistics
type of statistics: used to determine relationships and patterns
frequency
f=
mean
M=
median
Mdn =
number in subsample
n=
, total number in a sample
N=
standard deviation
SD =
a standard score
z=
Frequency distributions
Central tendency
Variability
types of descriptive statistics (3)
frequency distributions
type of descriptive statistics: an arrangement of values from lowest to highest, and a count or
percentage of how many times each value occurred
frequency distributions
type of descriptive statistics: organizes data
grouped
ungrouped
percentage
measures of frequency distribution (3)
complete solutions.
statistics
numerical outcomes and probabilities derived from calculations on raw data
descriptive statistics
type of statistics: collection and presentation of data used to explain characteristics of variables
found in a sample (helps define problem)
descriptive statistics
type of statistics: does not determine statistical significance
descriptive statistics
type of statistics: used to determine relationships and patterns
frequency
f=
mean
M=
median
Mdn =
number in subsample
n=
, total number in a sample
N=
standard deviation
SD =
a standard score
z=
Frequency distributions
Central tendency
Variability
types of descriptive statistics (3)
frequency distributions
type of descriptive statistics: an arrangement of values from lowest to highest, and a count or
percentage of how many times each value occurred
frequency distributions
type of descriptive statistics: organizes data
grouped
ungrouped
percentage
measures of frequency distribution (3)
