Exercises: Measures of Central Tendency: Mean, Median, and Mode

Work through each section in order. Order the data first before finding a median.

Grade 7·21 problems·~27 min·Uganda NCDC Primary 7 Mathematics·lesson·data-03

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Recall / Warm-Up

Add 6 + 8 + 7 + 9 + 10.

Divide 40 by 5.

Arrange 9, 2, 7 from smallest to largest.

9, 7, 2

2, 7, 9

7, 2, 9

Find the mean of 12, 15, 18, 15.

What is the mean of 5, 9, 4, 6, 6?

30 — this is only the sum; the answer still needs to be divided by how many values there are

Find the median of 3, 7, 5, 9, 4. (Order the data first.)

Find the median of 3, 4, 5, 7, 9, 10 (already ordered, six values).

5, taking only the first of the two middle values instead of averaging both middles together

7, taking only the second of the two middle values instead of averaging both middles together

6, the average of the two middle values, 5 and 7

Find the mode of 4, 5, 5, 6, 5, 8.

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