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Grade 7 · Math · Unit 14 of 16

Mean, Median & Mode

What is typical?

What your child practises

Mean, median, mode and range, and how an outlier changes them.

Alberta Curriculum learning outcome: SP1, SP2 · mean, median, mode and range, and the effect of outliers

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    What is the range of 52, 9, 8, 42, 43?

    • 49
    • 44
    • 39
    Show answer

    44

    Hint: The range is the greatest value minus the least value.

  2. Question 2

    What is the mode of 5, 16, 10, 11, 2, 5?

    • 7
    • 2
    • 5
    Show answer

    5

    Hint: The mode is the value that appears most often.

  3. Question 3

    What is the mean of 8, 5, 4, 15?

    • 9
    • 8
    • 10
    Show answer

    8

    Hint: Add all the numbers (32), then divide by how many there are (4).

  4. Question 4

    What is the mean of 15, 7, 4, 20, 14?

    • 10
    • 12
    • 13
    Show answer

    12

    Hint: Add all the numbers (60), then divide by how many there are (5).

  5. Question 5

    Which value is an outlier in 13, 114, 15, 19, 10, 14?

    • 114
    • 14
    • 13
    • 10
    Show answer

    114

    Hint: An outlier is far away from the other values in the data set.

  6. Question 6

    What is the median of 4, 20, 11, 4, 10?

    • 14
    • 0
    • 10
    Show answer

    10

    Hint: Put the numbers in order. The median is the middle one.

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