PROPERTIES OF THE NORMAL DISTRIBUTIONÂ A normal distribution is a continuous probability distribution for a random variable. 2. The graph of a normal distribution is

## MODE

Merits of Mode: It is simple to understand and easy to calculate. It is not affected by extreme values In the table above, the

## MEDIAN

Merits of Median: It is easy to understand and calculate It is not affected by extreme values. As an example, consider the following data sets

## Arithmetic Mean

Merits of Arithmetic mean It has a specific formula. It is easy to calculate and understand. It uses all the observations in the data set.

## Memory game to review Index Number Formulas

You have studied Index Numbers in college. Here’s a small memory game to help you remember the formulas of the various index numbers. Each time