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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: 8, 3, 18, 2, 19. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 8; mode no mode; range 17

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

Answer: mean 11; median 8; mode no mode; range 17

  1. Mean: 55 ÷ 5 = 11
  2. Ordered: 3, 5, 8, 19, 20 → median 8
  3. Mode: no mode
  4. Range: 20 − 3 = 17
3.Data: 7, 19, 12, 10, 12. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 12; mode 12; range 12

  1. Mean: 60 ÷ 5 = 12
  2. Ordered: 7, 10, 12, 12, 19 → median 12
  3. Mode: 12
  4. Range: 19 − 7 = 12
4.Data: 1, 13, 3, 2, 1. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 4; median 2; mode 1; range 12

  1. Mean: 20 ÷ 5 = 4
  2. Ordered: 1, 1, 2, 3, 13 → median 2
  3. Mode: 1
  4. Range: 13 − 1 = 12
5.Data: 12, 8, 16, 15, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 12; mode no mode; range 8

  1. Mean: 60 ÷ 5 = 12
  2. Ordered: 8, 9, 12, 15, 16 → median 12
  3. Mode: no mode
  4. Range: 16 − 8 = 8
6.Data: 16, 20, 11, 20, 8. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 15; median 16; mode 20; range 12

  1. Mean: 75 ÷ 5 = 15
  2. Ordered: 8, 11, 16, 20, 20 → median 16
  3. Mode: 20
  4. Range: 20 − 8 = 12
7.Data: 3, 3, 14, 2, 8. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 6; median 3; mode 3; range 12

  1. Mean: 30 ÷ 5 = 6
  2. Ordered: 2, 3, 3, 8, 14 → median 3
  3. Mode: 3
  4. Range: 14 − 2 = 12
8.Data: 15, 9, 5, 4, 7. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 8; median 7; mode no mode; range 11

  1. Mean: 40 ÷ 5 = 8
  2. Ordered: 4, 5, 7, 9, 15 → median 7
  3. Mode: no mode
  4. Range: 15 − 4 = 11
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