A probability is how likely an event would happen. The probability of an event occurring is given as a fraction, decimal or percentage. This is because a probability is only from 0 to 1 inclusive. Thi

When you are using statistics with a large number of values, you may only want a representative sample in your survey. To do this you should find a random sample. In this sample, every value should ha

The average of a set of numbers is the value which best represents it. There are three different types of averages. Mean This is also known as the arithmetic mean. It is found by dividing the sum of

When we are given information about a topic it should be treated as data. The data, usually, is interperated or presented. Data is either given to you in a tabular form or in a graphical form. You sh