Data is often used to show geographical information. Being able to use measures of data, make calculations and explore relationships is an essential geographical skill.
It is essential to be able to use and understand numerical data for fieldwork and in order to reach a conclusion. Handling data properly can show trends, patterns and can allow people to predict future trends.
Slide 1 of 7, In the sequence 4, 8, 8, 15, 16, 23, 42 - the median is 15., Median This is the middle value in a list of numbers. This is found by ordering the numbers in numerical order and looking for the middle number