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: 14, 20, 23, 4, 9.
Warm-upAnswer:
- 2
Find the median of this data set: 7, 17, 9, 14, 15.
Warm-upAnswer:
- 3
Find the median of this data set: 27, 14, 17, 21, 23.
Warm-upAnswer:
- 4
Find the median of this data set: 9, 25, 20, 16, 26, 15.
On levelAnswer:
- 5
Find the median of this data set: 17, 13, 7, 2, 22, 23.
On levelAnswer:
- 6
Find the median of this data set: 13, 5, 9, 12, 15, 16.
On levelAnswer:
- 7
Find the median of this data set: 1, 22, 11, 29, 7, 9, 18.
ChallengeAnswer:
- 8
Find the median of this data set: 35, 29, 10, 22, 15, 32, 17.
ChallengeAnswer:
- 9
Find the median of this data set: 44, 25, 32, 47, 19, 37, 29.
ChallengeAnswer:
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Worksheet code: eyJzIjoiZGF0YS1tZWRpYW4iLCJkIjpbNzc0MDg5NTM3LDMyNTAxNDUzOSwxOTY1ODg5Njc5LDE2MTc2ODE2NzUsMTExNDEyMTkwMSwxODEzNjYyMTA3LDE3MTczMDUyMzEsNDY0Mjc0NzIzLDQwMDEzMzg0NF0sInYiOjF9.6d101fca50b6
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Answer key · Determine the median of a one-variable data set
- 1.14 — In order: 4, 9, 14, 20, 23. The middle value is 14.
- 2.14 — In order: 7, 9, 14, 15, 17. The middle value is 14.
- 3.21 — In order: 14, 17, 21, 23, 27. The middle value is 21.
- 4.18 — In order: 9, 15, 16, 20, 25, 26. The two middle values are 16 and 20; their mean is 18.
- 5.15 — In order: 2, 7, 13, 17, 22, 23. The two middle values are 13 and 17; their mean is 15.
- 6.25/2 — In order: 5, 9, 12, 13, 15, 16. The two middle values are 12 and 13; their mean is 25/2.
- 7.11 — In order: 1, 7, 9, 11, 18, 22, 29. The middle value is 11.
- 8.22 — In order: 10, 15, 17, 22, 29, 32, 35. The middle value is 22.
- 9.32 — In order: 19, 25, 29, 32, 37, 44, 47. The middle value is 32.