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Basic principles of Statistics - Coggle Diagram
Basic principles of Statistics
What is it?
A science that studies data sets and their interpretations in mathematical terms
Statistics Applications:
Powerful auxiliary many sciences
Psychology
Geography
Sociology
History
From the beginning of civilization
where they appeared:
Wood sticks
Walls
rocks
caves
skins
Collection and Presentation of data
Basic concepts:
Individual
Variable
Sample
Census
Population
Sampling
Statistics Divisions:
Descriptive statistics
Inductive Statistics
Terminology
Polygon:
It is a graph that joins the midpoints at the top of the histogram bar with lines.
Bar chart:
This category describes a bar whose length represents the frequency or percentage of observations that fall into a category.
Histogram:
They are vertical bar diagrams in which rectangular bars are built
Pie Chart:
It is a circle divided into parts that represent the frequency or difference
Table:
Everything collected is summarized in a table
Measures of central tendency
Definition:
They are those that do not indicate the center of a data set
These are:
Median
core value
fashion
Most frequent value
mean or average
Middle value
Deviation measures:
These tell us how much the data moves away or deviates from the center