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What you need to know
What you need to know:
Once data has been collected, we want to use it to learn more information about our sample. One of the ways we do this is by calculating the average of our sample. There are 3 different types of average you should know:
- Mean: the average calculated by adding all the values together and dividing by the total number of values;
- Median: the average found by lining up all the data points in numerical order, and then finding the exact middle value;
- Mode: the average found by determining which value occurs most often.
You should be able to find the mean, median, and mode from a set of data whenever asked, and you should understand that each of these options has certain times when they are more appropriate than the others. For example, if you are collecting information about people’s favourite colours, then it’s not possible to determine a mean or a median, so the only kind of average we can work with is the mode. On the contrary, we may well have collected a lot of data but have no repeated values, i.e. there is no mode, so we may only consider the median or the mean.
Mean Median Mode and Range Revision and Worksheets
Mean Median Mode and Range Teaching Resources
Whether you are looking for Mean revision notes or resources for Mode and Median, Maths Made Easy has brought together a comprehensive list of revision resources for teachers, students and tutors to utilise. Take a look at our Mean, Median, Mode and Range worksheets and see which ones you want to add in to your collection. Fro more exceptional GCSE Maths revision materials, go to our homepage.
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