APEX Lesson 1.1.1 What is Statistics?
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Inference
A conclusion drawn by using sample data to make predictions about a larger population.
Sample
A selection of items chosen from a larger population.
Descriptive Statistics
A type of statistics that uses graphs and numerical analysis to describe data that have already been collected.
Inferential Statistics
A type of statistics that uses sample data to better understand a larger population.
Sampling Variability
The difference between the data from two or more samples.
Population
The entire group being considered.
Statistics
The part of mathematics that involves collecting, organizing, and interpreting data.
