MathIQO worksheet
Determine the median of a one-variable data set · Grade 9 · D1.2
Name: ______________________
Date: ______________________
- 1
Find the median of this data set: 13, 16, 21, 12, 15.
Warm-upAnswer:
- 2
Find the median of this data set: 14, 18, 8, 11, 13.
Warm-upAnswer:
- 3
Find the median of this data set: 5, 21, 16, 10, 23.
Warm-upAnswer:
- 4
Find the median of this data set: 6, 11, 17, 12, 2, 9.
On levelAnswer:
- 5
Find the median of this data set: 4, 19, 14, 8, 18, 21.
On levelAnswer:
- 6
Find the median of this data set: 12, 26, 16, 20, 19, 23.
On levelAnswer:
- 7
Find the median of this data set: 12, 24, 18, 4, 20, 9, 27.
ChallengeAnswer:
- 8
Find the median of this data set: 38, 36, 10, 29, 16, 20, 25.
ChallengeAnswer:
- 9
Find the median of this data set: 4, 3, 19, 7, 24, 1, 13.
ChallengeAnswer:
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Worksheet code: eyJzIjoiZGF0YS1tZWRpYW4iLCJkIjpbMTE4MDY1MzU3OCw4OTE2ODU3NjksMjAwNzM4NzE0NCwyMDUyMjUzNzMsNDY5MTkwODQ4LDMxNTMyODQ0LDE3MzY5MDEzNzAsMTEzNTI4NDI5OSwxNjg2MTI5MDI0XSwidiI6MX0.d3d811a5e21d
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Answer key · Determine the median of a one-variable data set
- 1.15 — In order: 12, 13, 15, 16, 21. The middle value is 15.
- 2.13 — In order: 8, 11, 13, 14, 18. The middle value is 13.
- 3.16 — In order: 5, 10, 16, 21, 23. The middle value is 16.
- 4.10 — In order: 2, 6, 9, 11, 12, 17. The two middle values are 9 and 11; their mean is 10.
- 5.16 — In order: 4, 8, 14, 18, 19, 21. The two middle values are 14 and 18; their mean is 16.
- 6.39/2 — In order: 12, 16, 19, 20, 23, 26. The two middle values are 19 and 20; their mean is 39/2.
- 7.18 — In order: 4, 9, 12, 18, 20, 24, 27. The middle value is 18.
- 8.25 — In order: 10, 16, 20, 25, 29, 36, 38. The middle value is 25.
- 9.7 — In order: 1, 3, 4, 7, 13, 19, 24. The middle value is 7.