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Year 8 Mean, Median, Mode and Range Worksheet — Level 2 — Practice Set 2 — Answers

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Success TutoringWorksheetsAnswer sheetYear 8 · Mathematics · Mean, Median, Mode & Range

Year 8 Mean, Median, Mode and Range Worksheet — Level 2 — Practice Set 2 — Answers

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

1.Data: 19, 1, 20, 13, 13, 20, 5. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 13; median 13; mode 13 and 20; range 19

  1. Mean: 91 ÷ 7 = 13
  2. Ordered: 1, 5, 13, 13, 19, 20, 20 → median 13
  3. Mode: 13 and 20
  4. Range: 20 − 1 = 19
2.Data: 18, 7, 10, 12, 3, 20, 10, 16. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 11; mode 10; range 17

  1. Mean: 96 ÷ 8 = 12
  2. Ordered: 3, 7, 10, 10, 12, 16, 18, 20 → median 11
  3. Mode: 10
  4. Range: 20 − 3 = 17
3.Data: 18, 18, 6, 20, 8, 3, 12, 19. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 13; median 15; mode 18; range 17

  1. Mean: 104 ÷ 8 = 13
  2. Ordered: 3, 6, 8, 12, 18, 18, 19, 20 → median 15
  3. Mode: 18
  4. Range: 20 − 3 = 17
4.Data: 14, 13, 18, 6, 15, 13, 16, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 13; median 13.5; mode 13; range 12

  1. Mean: 104 ÷ 8 = 13
  2. Ordered: 6, 9, 13, 13, 14, 15, 16, 18 → median 13.5
  3. Mode: 13
  4. Range: 18 − 6 = 12
5.Data: 17, 19, 16, 19, 6, 7. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 14; median 16.5; mode 19; range 13

  1. Mean: 84 ÷ 6 = 14
  2. Ordered: 6, 7, 16, 17, 19, 19 → median 16.5
  3. Mode: 19
  4. Range: 19 − 6 = 13
6.Data: 19, 7, 10, 16, 10, 10, 12. Find the (a) mean, (b) median, (c) mode and (d) range.

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

  1. Mean: 84 ÷ 7 = 12
  2. Ordered: 7, 10, 10, 10, 12, 16, 19 → median 10
  3. Mode: 10
  4. Range: 19 − 7 = 12
7.Data: 12, 8, 15, 14, 2, 1, 7, 5. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 8; median 7.5; mode no mode; range 14

  1. Mean: 64 ÷ 8 = 8
  2. Ordered: 1, 2, 5, 7, 8, 12, 14, 15 → median 7.5
  3. Mode: no mode
  4. Range: 15 − 1 = 14
8.Data: 17, 9, 7, 18, 18, 12, 1, 14. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 13; mode 18; range 17

  1. Mean: 96 ÷ 8 = 12
  2. Ordered: 1, 7, 9, 12, 14, 17, 18, 18 → median 13
  3. Mode: 18
  4. Range: 18 − 1 = 17
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