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Quantitative Data - Data in the form of numbers- Concerned with individual scores- Can be analysed statistically and easily converted into percentages, averages, graphs etc- eg how much, how long or how many...

The chain rule is used when we have a function in the form f(g(x)). For example sin(x^3). [In this case, f(x) = sin(x) and g(x) = x^3] The chain rule says that the derivative of f(g(x)) is g'(x)*f'(g(x)). Fo...

'Factorise' essentially means put into a simpler form, in this case with two sets of linear equations which would multiply out to give the quadratic equation shown above. What we are looking for to begin wit...

Short term growth is, as the name suggests, growth in the output of a country in terms of GDP over a given (short, usually a year) period of time. It is measured by the annual percentage change in GDP. Long ...

Thinking of osmosis represented by two water towers attatched with a pipe at the bottom helped me to understand. If one tower has a higher level of water than the other, water will flow into the other to eve...