Measure of Central Tendency

Measure of Central Tendency

What is Mean?
Mean is the most common measure of central tendency. It is simply the sum of the numbers divided by the number of numbers in a set of data. This is also known as average.

What is Median? Median is the number present in the middle when the numbers in a set of data are arranged in ascending or descending order. If the number of numbers in a data set is even, then the median is the mean of the two middle numbers.

What is Mode? Mode is the value that occurs most frequently in a set of data.

Examples & Questions :

Find the measures of central tendency for the data set 2, 7, 9, 4, 5, 4, 10, 7, and 3.

Example 1

You receive the pledge amounts listed below for your participation in a dance-a-thon. Which measure of central tendency best represents the pledge amounts listed?

       $1   $8   $12   $10   $45   $9   $1   $6

Example 2

Formula & Solutions ?