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: 18, 22, 26, 15, 10.
Warm-upAnswer:
- 2
Find the median of this data set: 18, 6, 8, 11, 14.
Warm-upAnswer:
- 3
Find the median of this data set: 18, 3, 9, 24, 12.
Warm-upAnswer:
- 4
Find the median of this data set: 18, 14, 13, 24, 17, 9.
On levelAnswer:
- 5
Find the median of this data set: 10, 23, 26, 11, 27, 17.
On levelAnswer:
- 6
Find the median of this data set: 21, 10, 26, 19, 30, 14.
On levelAnswer:
- 7
Find the median of this data set: 6, 20, 31, 8, 15, 37, 24.
ChallengeAnswer:
- 8
Find the median of this data set: 24, 23, 17, 29, 10, 18, 13.
ChallengeAnswer:
- 9
Find the median of this data set: 13, 27, 22, 6, 19, 20, 14.
ChallengeAnswer:
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Worksheet code: eyJzIjoiZGF0YS1tZWRpYW4iLCJkIjpbOTY1NTIyMDM1LDg3MDg2ODQ5Myw1MDI1MDg1OTAsODcwNzk3MTE1LDUzNzQ2NjM5NSwyMjk2OTI0NzYsODM4Njc0NzQsNzI4NTg5Mzc5LDEwNzIzNTY2NDBdLCJ2IjoxfQ.e44f00dc07f1
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Answer key · Determine the median of a one-variable data set
- 1.18 — In order: 10, 15, 18, 22, 26. The middle value is 18.
- 2.11 — In order: 6, 8, 11, 14, 18. The middle value is 11.
- 3.12 — In order: 3, 9, 12, 18, 24. The middle value is 12.
- 4.31/2 — In order: 9, 13, 14, 17, 18, 24. The two middle values are 14 and 17; their mean is 31/2.
- 5.20 — In order: 10, 11, 17, 23, 26, 27. The two middle values are 17 and 23; their mean is 20.
- 6.20 — In order: 10, 14, 19, 21, 26, 30. The two middle values are 19 and 21; their mean is 20.
- 7.20 — In order: 6, 8, 15, 20, 24, 31, 37. The middle value is 20.
- 8.18 — In order: 10, 13, 17, 18, 23, 24, 29. The middle value is 18.
- 9.19 — In order: 6, 13, 14, 19, 20, 22, 27. The middle value is 19.