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Averages and Range

Overview

– Mean and range

– Mode and median

– Estimating the mean

– Sampling

Example Key Words

Mean

Add all the values together and divide by how many ther are.

Median

Place all values in order and find the middle value.

Mode

The most popular value or item. (if in a table, it is the item with the highest frequency).

Range

The difference between the largest and smallest value.

Frequency

The number of times an event happens or the numbers of scores in a range

Sample

A small part or quantity intended to show what the whole is like