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Practise your ability to read graphs accurately under timed-conditions.
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", "licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International"}, "statement": "What was the average total percentage increase in homes sold by Hubert Homes and Richter Homes
\nfrom January to February?
", "advice": "Focus on the information for Hubert and Richter Homes.
\nYou are using the percentage change equation (see Video 2).
\nFor Hubert Homes the 'New-Old' part is 170-150= 20.
\nFor Richter Homes the 'New-Old' part is 110-90= 20.
\nUsing the percentage change question:
\n((20+20)/(150+90)) x100 = 16.67%
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", "licence": "Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International"}, "statement": "How many customers took part in the survey?
", "advice": "Take any category (either Response Time, Politeness, Patience of Staff, Knowledge or Friendliness) and add up the total number of responses for that particular category.
\nFor example, for Response Time the number of people answering this is:
\n1229+645+182 = 2056
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