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...course, Prices, location and spread, explores aspects of the question Are people getting better or worse off? It covers statistical measures characterising the location of a batch of data (the median and the mean), and looks further at weighted means and at the interquartile range as a measure of spread (variability). Boxplots and stemplots are used to picture the data....

...course looks at Scotsman John Napier (1550-1617) and his invention which radically altered the course of mathematics. Napier dabbled in mathematics for over 40 years and near the end of his life he introduced his tables of logarithms which drastically reduced the work needed to do complicated calculations, such as those required in astronomy and navigation. Napier’s...

...course, The science of nuclear energy, will delve into the science behind nuclear power and explain what happens inside a nuclear reactor and what it means for an element to be radioactive. It will explore some of the risks of producing nuclear power and examine the arguments for and against including it in future energy planning as well as looking at other potential...