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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: 10, 22, 18, 7, 1, 40. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 16.33; median 14; mode no mode; range 39

  1. Mean: 98 ÷ 6 = 16.33
  2. Ordered: 1, 7, 10, 18, 22, 40 → median 14
  3. Mode: no mode
  4. Range: 40 − 1 = 39
2.Data: 2, 8, 21, 36, 42, 34, 46, 31. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 27.5; median 32.5; mode no mode; range 44

  1. Mean: 220 ÷ 8 = 27.5
  2. Ordered: 2, 8, 21, 31, 34, 36, 42, 46 → median 32.5
  3. Mode: no mode
  4. Range: 46 − 2 = 44
3.Data: 8, 29, 23, 18, 11, 49. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 23; median 20.5; mode no mode; range 41

  1. Mean: 138 ÷ 6 = 23
  2. Ordered: 8, 11, 18, 23, 29, 49 → median 20.5
  3. Mode: no mode
  4. Range: 49 − 8 = 41
4.Data: 6, 16, 3, 33, 40, 33. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 21.83; median 24.5; mode 33; range 37

  1. Mean: 131 ÷ 6 = 21.83
  2. Ordered: 3, 6, 16, 33, 33, 40 → median 24.5
  3. Mode: 33
  4. Range: 40 − 3 = 37
5.Data: 43, 33, 42, 35, 32, 35, 35. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 36.43; median 35; mode 35; range 11

  1. Mean: 255 ÷ 7 = 36.43
  2. Ordered: 32, 33, 35, 35, 35, 42, 43 → median 35
  3. Mode: 35
  4. Range: 43 − 32 = 11
6.Data: 14, 19, 10, 35, 35, 43, 14. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 24.29; median 19; mode 14 and 35; range 33

  1. Mean: 170 ÷ 7 = 24.29
  2. Ordered: 10, 14, 14, 19, 35, 35, 43 → median 19
  3. Mode: 14 and 35
  4. Range: 43 − 10 = 33
7.Data: 11, 38, 15, 13, 26, 13, 47, 42. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 25.63; median 20.5; mode 13; range 36

  1. Mean: 205 ÷ 8 = 25.63
  2. Ordered: 11, 13, 13, 15, 26, 38, 42, 47 → median 20.5
  3. Mode: 13
  4. Range: 47 − 11 = 36
8.Data: 41, 27, 11, 46, 17, 2. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 24; median 22; mode no mode; range 44

  1. Mean: 144 ÷ 6 = 24
  2. Ordered: 2, 11, 17, 27, 41, 46 → median 22
  3. Mode: no mode
  4. Range: 46 − 2 = 44
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