AQA · Mathematics · 8300
GCSE Maths: Averages: mode (frequency table)
Statistics · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths practice questions for Averages: mode (frequency table) (Corbettmaths Video 56), 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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In a frequency table, how do you identify the mode?
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Find the value or category with the highest frequency.
What is the range of a data set?
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The difference between the highest and lowest values in the data set.
What is the modal class interval?
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The class interval (range of values) that has the highest frequency in grouped data.
If you add a new data value that equals the current mode, what happens to the mode?
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The mode remains the same (it just appears one more time).
If you add a new data value that is neither the highest nor lowest value, what happens to the range?
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The range remains the same (it depends only on the extreme values).
To find the total number of items from a frequency table, what calculation do you perform?
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Multiply each value by its frequency, then add all the products together.
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