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: 19, 6, 10, 18, 14.
Warm-upAnswer:
- 2
Find the median of this data set: 10, 18, 8, 7, 13.
Warm-upAnswer:
- 3
Find the median of this data set: 6, 11, 14, 3, 1.
Warm-upAnswer:
- 4
Find the median of this data set: 16, 2, 14, 8, 18, 22.
On levelAnswer:
- 5
Find the median of this data set: 15, 12, 3, 11, 21, 9.
On levelAnswer:
- 6
Find the median of this data set: 26, 20, 14, 12, 18, 28.
On levelAnswer:
- 7
Find the median of this data set: 54, 30, 37, 40, 20, 24, 47.
ChallengeAnswer:
- 8
Find the median of this data set: 15, 32, 37, 28, 38, 23, 21.
ChallengeAnswer:
- 9
Find the median of this data set: 16, 8, 36, 10, 21, 28, 31.
ChallengeAnswer:
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Worksheet code: eyJzIjoiZGF0YS1tZWRpYW4iLCJkIjpbMTgzMzM2NDAyOSwyMDk5MzU3NTcwLDExMDU3MzcxMjIsMTg0MTYxODg0OSw4NTE0MjA5ODgsNTI0NTE3NTA0LDE1NDIzMjM0MzUsMTk4MjEyMDg4NiwxMjk1NjAwMDddLCJ2IjoxfQ.cf7942a0fb94
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Answer key · Determine the median of a one-variable data set
- 1.14 — In order: 6, 10, 14, 18, 19. The middle value is 14.
- 2.10 — In order: 7, 8, 10, 13, 18. The middle value is 10.
- 3.6 — In order: 1, 3, 6, 11, 14. The middle value is 6.
- 4.15 — In order: 2, 8, 14, 16, 18, 22. The two middle values are 14 and 16; their mean is 15.
- 5.23/2 — In order: 3, 9, 11, 12, 15, 21. The two middle values are 11 and 12; their mean is 23/2.
- 6.19 — In order: 12, 14, 18, 20, 26, 28. The two middle values are 18 and 20; their mean is 19.
- 7.37 — In order: 20, 24, 30, 37, 40, 47, 54. The middle value is 37.
- 8.28 — In order: 15, 21, 23, 28, 32, 37, 38. The middle value is 28.
- 9.21 — In order: 8, 10, 16, 21, 28, 31, 36. The middle value is 21.