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Bar Chart

Bar Chart. Y-axis starts at 0, and goes up in regular steps. Title. Bars in the middle of the space, all the same width. Category labels in the middle of the space. Pie Chart. Category labels with a key. Title. Categories are in proportion.

jamesghernandez
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Bar Chart

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  1. Bar Chart Y-axis starts at 0, and goes up in regular steps Title Bars in the middle of the space, all the same width Category labels in the middle of the space

  2. Pie Chart Category labels with a key. Title Categories are in proportion The angles must be worked out by dividing by the total and multiplying by 360

  3. Scattergraph Title Both axes start at 0, and go up in regular steps Points marked with a x and a line of best fit drawn Axes both labelled Axes both labelled Numbers on the lines

  4. Line Graph Points joined up with straight lines Continuous scale (usually time)

  5. Best at comparing categories to the whole. Best at comparing categories to each other. Best at demonstrating trends over time. Bar, Pie or Line?

  6. Profits made by different branches of Tesco Achievement in school during Key Stage 3 Favourite flavour of milkshake Bar, Pie or Line?

  7. Types of Graph • Pie Chart – Compares the size of each category with the total. • Bar Chart – Compares categories with each other. • Frequency Diagram – Like a bar chart, but for continuous data. • Line Graph – Plots data over time to display an ongoing trend. • Scatter Graph – Uses bivariate data (two pieces of linked data) to determine any correlation.

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