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Year 8 Mean, Median, Mode and Range Worksheet — Level 2 — Practice Set 4 — 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 4 — Answers

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

1.Data: 10, 15, 18, 19, 11, 5. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 13; median 13; mode no mode; range 14

  1. Mean: 78 ÷ 6 = 13
  2. Ordered: 5, 10, 11, 15, 18, 19 → median 13
  3. Mode: no mode
  4. Range: 19 − 5 = 14
2.Data: 3, 12, 10, 10, 2, 8, 4. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 7; median 8; mode 10; range 10

  1. Mean: 49 ÷ 7 = 7
  2. Ordered: 2, 3, 4, 8, 10, 10, 12 → median 8
  3. Mode: 10
  4. Range: 12 − 2 = 10
3.Data: 15, 2, 18, 20, 11, 6, 19. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 13; median 15; mode no mode; range 18

  1. Mean: 91 ÷ 7 = 13
  2. Ordered: 2, 6, 11, 15, 18, 19, 20 → median 15
  3. Mode: no mode
  4. Range: 20 − 2 = 18
4.Data: 18, 16, 1, 8, 2, 1, 10. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 8; median 8; mode 1; range 17

  1. Mean: 56 ÷ 7 = 8
  2. Ordered: 1, 1, 2, 8, 10, 16, 18 → median 8
  3. Mode: 1
  4. Range: 18 − 1 = 17
5.Data: 5, 11, 6, 4, 10, 12. Find the (a) mean, (b) median, (c) mode and (d) range.

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

  1. Mean: 48 ÷ 6 = 8
  2. Ordered: 4, 5, 6, 10, 11, 12 → median 8
  3. Mode: no mode
  4. Range: 12 − 4 = 8
6.Data: 16, 18, 12, 1, 5, 14. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 11; median 13; mode no mode; range 17

  1. Mean: 66 ÷ 6 = 11
  2. Ordered: 1, 5, 12, 14, 16, 18 → median 13
  3. Mode: no mode
  4. Range: 18 − 1 = 17
7.Data: 11, 18, 4, 3, 12, 20, 16, 4. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 11; median 11.5; mode 4; range 17

  1. Mean: 88 ÷ 8 = 11
  2. Ordered: 3, 4, 4, 11, 12, 16, 18, 20 → median 11.5
  3. Mode: 4
  4. Range: 20 − 3 = 17
8.Data: 11, 16, 5, 2, 20, 7, 18, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 11; median 10; mode no mode; range 18

  1. Mean: 88 ÷ 8 = 11
  2. Ordered: 2, 5, 7, 9, 11, 16, 18, 20 → median 10
  3. Mode: no mode
  4. Range: 20 − 2 = 18
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