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...data: Introduction - Data is a big part of our lives and can be represented in many different ways. This session will take you through a number of these representations and show you how to interpret data to find specific information. Before delving into the world of charts, graphs and averages though, it is important to make the distinction between the two different types...

...data. There will be plenty of examples to help you as you progress, together with opportunities to practise your understanding. The regular interactive quizzes form part of this practice, and the end-of-course quiz is an opportunity to earn a badge that demonstrates your new skills. You can read more on how to study the course and about badges in the next sections. After...

...data on which the chart is based. COMPANY Q1Y1 Q2Y1 Q3Y1 Q4Y1 Q1Y2 Q2Y2 Blue 10 11 15 25 45 80 Green 15 16 17 18 19 20 Orange 75 73 68 57 36 0 Oh, dear. Green’s market share has been increasing, not decreasing. The discrepancy arises because the chart plots the market share vertically, but we perceive the thickness of a stream at right angles to its general direction....