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Year 7 Mean, Median, Mode and Range Worksheet — Level 3 — Answers

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

Year 7 Mean, Median, Mode and Range Worksheet — Level 3 — Answers

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

1.Data: 22, 6, 5, 20, 34, 10. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 16.17; median 15; mode no mode; range 29

  1. Mean: 97 ÷ 6 = 16.17
  2. Ordered: 5, 6, 10, 20, 22, 34 → median 15
  3. Mode: no mode
  4. Range: 34 − 5 = 29
2.Data: 46, 27, 33, 12, 24, 20, 8, 37. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 25.88; median 25.5; mode no mode; range 38

  1. Mean: 207 ÷ 8 = 25.88
  2. Ordered: 8, 12, 20, 24, 27, 33, 37, 46 → median 25.5
  3. Mode: no mode
  4. Range: 46 − 8 = 38
3.Data: 20, 24, 14, 28, 28, 36, 50, 27. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 28.38; median 27.5; mode 28; range 36

  1. Mean: 227 ÷ 8 = 28.38
  2. Ordered: 14, 20, 24, 27, 28, 28, 36, 50 → median 27.5
  3. Mode: 28
  4. Range: 50 − 14 = 36
4.Data: 31, 44, 47, 43, 29, 25. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 36.5; median 37; mode no mode; range 22

  1. Mean: 219 ÷ 6 = 36.5
  2. Ordered: 25, 29, 31, 43, 44, 47 → median 37
  3. Mode: no mode
  4. Range: 47 − 25 = 22
5.Data: 11, 44, 7, 4, 29, 43. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 23; median 20; mode no mode; range 40

  1. Mean: 138 ÷ 6 = 23
  2. Ordered: 4, 7, 11, 29, 43, 44 → median 20
  3. Mode: no mode
  4. Range: 44 − 4 = 40
6.Data: 26, 19, 50, 45, 31, 42, 5, 33. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 31.38; median 32; mode no mode; range 45

  1. Mean: 251 ÷ 8 = 31.38
  2. Ordered: 5, 19, 26, 31, 33, 42, 45, 50 → median 32
  3. Mode: no mode
  4. Range: 50 − 5 = 45
7.Data: 1, 38, 47, 13, 8, 15, 40, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 21.38; median 14; mode no mode; range 46

  1. Mean: 171 ÷ 8 = 21.38
  2. Ordered: 1, 8, 9, 13, 15, 38, 40, 47 → median 14
  3. Mode: no mode
  4. Range: 47 − 1 = 46
8.Data: 20, 29, 47, 48, 42, 11, 20, 45. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 32.75; median 35.5; mode 20; range 37

  1. Mean: 262 ÷ 8 = 32.75
  2. Ordered: 11, 20, 20, 29, 42, 45, 47, 48 → median 35.5
  3. Mode: 20
  4. Range: 48 − 11 = 37
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