I know, it sounds hard to have just two shots at this test BUT if you think better there are just three chapters that you need to remember in order to pass you QTS numeracy skills test:
- Working with fractions, decimals and percentages. On this chapter you only need to know how to turn decimals => fractions => percentages and vice versa.
- Mode, Median, Mean, Range. You have to apply these notions if you have series of data that need to be analyzed. The mode is the most common found value in the series of data. The median is the value in the middle of the series of data, if you have 5 values the median would be the 3th number. The mean can be calculated if you add all the numbers together and divide the sum by how many there are. The range is the difference between the smallest and the biggest number.
- Interpreting graphs like histograms and whiskers and boxes. For histograms you just need to follow the two axis and understand what they represent.
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