Lesson 1 Flashcards
Census
A count of a particular population
Inpatient census
The count of inpatients present at a specific time and a particular place
Vital statistics
A special group of statistics that record important events in our lives (birth, marriage, divorce, death)
Population
any entire collection of people, animals, plants or things
Sample
a group of units selected from a larger group
Quantitative
can be measured and assigned a number
Qualitative
data describing the attributes or properties that an object possesses
Nominal number
single number, not a list or series (house number, DL number)
distinguishes an individual by a set of numbers
Ordinal number
a number defining a thing’s position in a series (top ten scores on ACT)
Discrete data
can be counted, always a whole number (missed questions)
Continuous data
is measured (age), measurement to the nearest
Inferential Statistics
statistics that make generalizations about a population based on a sample (opinion polls)
Descriptive statistics
statistics that analyze collected data without making conclusions beyond what is represented by the collected data
Demography
the study of the characteristics of human populations
What is the primary reason for keeping statistics?
Decision making
Variable
a value that can change
Grouped data
data grouped together in a designated range
What does CMS administer?
Medicare
Which agency is responsible for protecting the health of the US population?
CDC
Data
Unprocessed facts and figures
Fact
piece of information presented as the truth
To serve a purpose, figures must be which of the following?
relevant and reliable
Statistic (definition)
a single item or datum in a collection of items
