AQA · Mathematics · 8300
GCSE Maths: Graphs: bar charts (draw)
Statistics · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths practice questions for Graphs: bar charts (draw) (Corbettmaths Video 147), and every card links back to the exact page it came from. Practice tests are drawn from this deck’s own cards. Source material © Corbettmaths — used with attribution.
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Before drawing a bar chart from raw data, what organizing step should you complete first?
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Complete a frequency table or tally chart to organize the data.
What information must you read from a bar chart to determine the range of a dataset?
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The highest and lowest values. Range = highest value − lowest value.
When calculating the median from data shown in a bar chart, what must you do first?
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List all the data values in order (from the frequencies shown), then find the middle value.
In a probability question involving counters, how do you calculate the probability that a counter is NOT a particular color?
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1 − (probability of that color), or (total counters − counters of that color) ÷ total counters.
In football league scoring, how many points is a win, a draw, and a loss worth?
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A win is worth 3 points, a draw is worth 1 point, and a loss is worth 0 points.
What two common mistakes should you check for when evaluating a bar chart?
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Check that the scale is consistent/appropriate and that bars correctly represent the data values from the table.
When asked to find what fraction of members meet a condition shown in a bar chart, what is the calculation method?
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Count the number meeting the condition (numerator) and divide by the total number of members (denominator).
When given partial information about categories and told 'half study Spanish' and 'six more study German than French,' what problem-solving approach should you use?
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Set up equations: Spanish = total ÷ 2, German = French + 6, and all categories sum to the total.
If you pay a deposit on a purchase and then pay the rest over equal monthly payments, how do you calculate each monthly payment?
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(Total price − deposit) ÷ number of monthly payments.
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