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Data Handling

Data Handling. Conversion Graphs We use a conversion graph when two units have a linear relationship Metric weight in grams has a linear relationship with imperial weight in ounces: 25g = 1oz 50g = 2oz 400g = ?. Data Handling. Conversion Graphs

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Data Handling

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  1. Data Handling Conversion Graphs We use a conversion graph when two units have a linear relationship Metric weight in grams has a linear relationship with imperial weight in ounces: 25g = 1oz 50g = 2oz 400g = ?

  2. Data Handling Conversion Graphs Both grams and ounces can be plotted on a graph to show a diagonal line where they are equivalent. This graph can then be used to determine how many ounces there are in grams or how many grams there are in ounces.

  3. Data Handling Work out what will go on each axis. Conversion Graphs grams Decide on the division of units ounces

  4. Data Handling 275 Work out a suitable scale for each axis 250 225 200 175 Conversion Graphs grams 150 125 100 Plot the equivalent values and join up with a straight line 75 50 25 ounces 1 2 3 4 5 6 7 8 9 10 11 12

  5. Data Handling 275 Once the diagonal line is plotted you can convert grams to ounces… 250 225 200 175 Conversion Graphs grams 150 125 100 …and ounces to grams 75 50 25 ounces 1 2 3 4 5 6 7 8 9 10 11 12

  6. Data Handling 275 For values larger than the scale you can multiply up for example: 16oz. = 10oz. + 6oz. 250 225 200 175 Conversion Graphs grams 150 This is 250g + 150g = 400g 125 100 75 Or 2 x 8oz 50 25 ounces 1 2 3 4 5 6 7 8 9 10 11 12

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