AQA · Mathematics · 8300

GCSE Maths: Graphs: stem and leaf (interpret)

Statistics · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths practice questions for Graphs: stem and leaf (interpret) (Corbettmaths Video 170), 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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  1. What does the 'stem' represent in a stem and leaf diagram?

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    The stem represents the leading digit(s) of the data values (e.g., the tens place for two-digit numbers).

  2. What does the 'leaf' represent in a stem and leaf diagram?

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    The leaf represents the final digit(s) of the data values (e.g., the units place for two-digit numbers).

  3. What does 'ordered' mean when referring to an ordered stem and leaf diagram?

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    The leaves for each stem are arranged in ascending numerical order (smallest to largest).

  4. How do you find the mode from a stem and leaf diagram?

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    Identify the value (stem + leaf combination) that appears most frequently in the diagram.

  5. How do you find the range from a stem and leaf diagram?

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    Subtract the smallest value (first leaf of the first stem) from the largest value (last leaf of the last stem).

  6. How do you find the median from a stem and leaf diagram?

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    Count the total number of values to find the middle position(s), then locate that value in the ordered diagram. For an even count, average the two middle values.

  7. If a new maximum value is added to a dataset, how does this affect the range?

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    The range increases, because the new maximum is larger than the previous maximum, making the difference between max and min greater.

  8. What information is typically included in a key for a stem and leaf diagram?

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    An example showing how to read the stem and leaf values, such as '10 | 4 = 104' to clarify what the numbers represent.

  9. How do you calculate probability from a stem and leaf diagram?

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    Count the number of values meeting the condition (favorable outcomes) and divide by the total number of values in the diagram.

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