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Secondary I • 4mo.

A grade 7 class (we will call them Class A) wrote a quiz, marked out of 15. Here are the class' results: 8, 9, 9, 12, 12, 13, 13, 14, 15, 15. What is the median and the range?

i dont really get what it means.

Mathematics
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Explanations (1)

  • Explanation from Alloprof

    Explanation from Alloprof

    This Explanation was submitted by a member of the Alloprof team.

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    Team Alloprof • 4mo.

    Hello Turquoise R2D2!

    Thank you for asking us your question!

    The median of a distribution is the value in the middle position of an ordered distribution. If the number of values in a distribution is odd, the median is the number at the position \( \frac{n+1}{2} \), where n represents the number of values in the distribution.

    If the number of values in a distribution is even, the median corresponds to the mean of the two middle values.

    The range is the difference between the highest value and the lowest value of a distribution.

    Feel free to reach out if you have any other question!