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Year 7 Mean, Median, Mode and Range Worksheet — Level 1 — Answers

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Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Mean, Median, Mode & Range

Year 7 Mean, Median, Mode and Range Worksheet — Level 1 — Answers

Order the data first. Show your working for each measure.

1.Data: 16, 15, 12, 14, 18. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 15; median 15; mode no mode; range 6

  1. Mean: 75 ÷ 5 = 15
  2. Ordered: 12, 14, 15, 16, 18 → median 15
  3. Mode: no mode
  4. Range: 18 − 12 = 6
2.Data: 17, 18, 17, 9, 4. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 13; median 17; mode 17; range 14

  1. Mean: 65 ÷ 5 = 13
  2. Ordered: 4, 9, 17, 17, 18 → median 17
  3. Mode: 17
  4. Range: 18 − 4 = 14
3.Data: 5, 18, 2, 5, 5. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 7; median 5; mode 5; range 16

  1. Mean: 35 ÷ 5 = 7
  2. Ordered: 2, 5, 5, 5, 18 → median 5
  3. Mode: 5
  4. Range: 18 − 2 = 16
4.Data: 14, 10, 2, 12, 2. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 8; median 10; mode 2; range 12

  1. Mean: 40 ÷ 5 = 8
  2. Ordered: 2, 2, 10, 12, 14 → median 10
  3. Mode: 2
  4. Range: 14 − 2 = 12
5.Data: 10, 16, 4, 1, 19. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 10; mode no mode; range 18

  1. Mean: 50 ÷ 5 = 10
  2. Ordered: 1, 4, 10, 16, 19 → median 10
  3. Mode: no mode
  4. Range: 19 − 1 = 18
6.Data: 20, 1, 11, 11, 12. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 11; median 11; mode 11; range 19

  1. Mean: 55 ÷ 5 = 11
  2. Ordered: 1, 11, 11, 12, 20 → median 11
  3. Mode: 11
  4. Range: 20 − 1 = 19
7.Data: 20, 17, 1, 9, 3. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 9; mode no mode; range 19

  1. Mean: 50 ÷ 5 = 10
  2. Ordered: 1, 3, 9, 17, 20 → median 9
  3. Mode: no mode
  4. Range: 20 − 1 = 19
8.Data: 18, 2, 8, 13, 19. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 13; mode no mode; range 17

  1. Mean: 60 ÷ 5 = 12
  2. Ordered: 2, 8, 13, 18, 19 → median 13
  3. Mode: no mode
  4. Range: 19 − 2 = 17
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