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Calculate the mean of a data set · Grade 5 · D1.5

Name: ______________________

Date: ______________________

1
Find the mean (average) of: 11, 9, 7
Warm-up
Answer:
2
Find the mean (average) of: 9, 9, 6
Warm-up
Answer:
3
Find the mean (average) of: 7, 7, 10
Warm-up
Answer:
4
Find the mean (average) of: 11, 13, 9, 11
On level
Answer:
5
Find the mean (average) of: 15, 16, 9, 16
On level
Answer:
6
Find the mean (average) of: 14, 12, 12, 14
On level
Answer:
7
Find the mean (average) of: 17, 16, 19, 7, 16
Challenge
Answer:
8
Find the mean (average) of: 15, 18, 9, 20, 9
Challenge
Answer:
9
Find the mean (average) of: 12, 6, 11, 12, 15
Challenge
Answer:

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Worksheet code: eyJzIjoiZGF0YS1tZWFuLWF2ZXJhZ2UiLCJkIjpbMTI4OTQ4NzI1LDYxMTcxNjkwNSw0Mzk2NzkzNDcsMTIyMzMyMTMyNCwxNTc1NTIzMTAxLDEzMDU2MzYyMSw5ODQ4NjExMjAsNTcxODEzMTgyLDE0OTU1MDkzNzhdLCJ2IjoxfQ.3c100234a456

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Answer key · Calculate the mean of a data set

1.
9 — Add them to get 27, then divide by 3: 27 ÷ 3 = 9.
2.
8 — Add them to get 24, then divide by 3: 24 ÷ 3 = 8.
3.
8 — Add them to get 24, then divide by 3: 24 ÷ 3 = 8.
4.
11 — Add them to get 44, then divide by 4: 44 ÷ 4 = 11.
5.
14 — Add them to get 56, then divide by 4: 56 ÷ 4 = 14.
6.
13 — Add them to get 52, then divide by 4: 52 ÷ 4 = 13.
7.
15 — Add them to get 75, then divide by 5: 75 ÷ 5 = 15.
8.
14.2 — Add them to get 71, then divide by 5: 71 ÷ 5 = 14.2.
9.
11.2 — Add them to get 56, then divide by 5: 56 ÷ 5 = 11.2.