When analysing data, averages and the range work together to give a complete picture. Choosing the right average depends on the nature of the data. The modal eye colour from the data set is 'blue'. It ...

Description: 👉 Learn all about series. A series is the sum of the terms of a sequence. Just like in sequences, there are many types of series, among which are: arithmetic and geometric series. An ...

👉 Learn how to write the explicit formula for the nth term of an arithmetic sequence. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a ...