Handling Data Revision Notes
Probability
(Not Rated)
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 click here for full revision note
Sampling
(Not Rated)
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 click here for full revision note
Averages
(Not Rated)
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 click here for full revision note
Data
(5.00/5)
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 click here for full revision note
