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Year 8 Mean, Median, Mode and Range Worksheet — Level 2 — Practice Set 3 — 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 3 — Answers

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

1.Data: 2, 6, 7, 9, 10, 20. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 8; mode no mode; range 18

  1. Mean: 54 ÷ 6 = 9
  2. Ordered: 2, 6, 7, 9, 10, 20 → median 8
  3. Mode: no mode
  4. Range: 20 − 2 = 18
2.Data: 2, 3, 8, 17, 2, 3, 14. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 7; median 3; mode 2 and 3; range 15

  1. Mean: 49 ÷ 7 = 7
  2. Ordered: 2, 2, 3, 3, 8, 14, 17 → median 3
  3. Mode: 2 and 3
  4. Range: 17 − 2 = 15
3.Data: 11, 12, 7, 10, 6, 16, 17, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 11; median 10.5; mode no mode; range 11

  1. Mean: 88 ÷ 8 = 11
  2. Ordered: 6, 7, 9, 10, 11, 12, 16, 17 → median 10.5
  3. Mode: no mode
  4. Range: 17 − 6 = 11
4.Data: 15, 5, 17, 20, 7, 5, 8. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 11; median 8; mode 5; range 15

  1. Mean: 77 ÷ 7 = 11
  2. Ordered: 5, 5, 7, 8, 15, 17, 20 → median 8
  3. Mode: 5
  4. Range: 20 − 5 = 15
5.Data: 1, 18, 11, 5, 11, 8, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 9; mode 11; range 17

  1. Mean: 63 ÷ 7 = 9
  2. Ordered: 1, 5, 8, 9, 11, 11, 18 → median 9
  3. Mode: 11
  4. Range: 18 − 1 = 17
6.Data: 11, 2, 9, 10, 1, 15. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 8; median 9.5; mode no mode; range 14

  1. Mean: 48 ÷ 6 = 8
  2. Ordered: 1, 2, 9, 10, 11, 15 → median 9.5
  3. Mode: no mode
  4. Range: 15 − 1 = 14
7.Data: 3, 2, 9, 14, 4, 7, 17. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 8; median 7; mode no mode; range 15

  1. Mean: 56 ÷ 7 = 8
  2. Ordered: 2, 3, 4, 7, 9, 14, 17 → median 7
  3. Mode: no mode
  4. Range: 17 − 2 = 15
8.Data: 8, 9, 5, 8, 15, 14, 9, 12. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 9; mode 8 and 9; range 10

  1. Mean: 80 ÷ 8 = 10
  2. Ordered: 5, 8, 8, 9, 9, 12, 14, 15 → median 9
  3. Mode: 8 and 9
  4. Range: 15 − 5 = 10
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