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Year 8 Mean, Median, Mode and Range Worksheet — Level 1 — 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 1 — Practice Set 3 — Answers

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

1.Data: 11, 3, 13, 15, 18. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 13; mode no mode; range 15

  1. Mean: 60 ÷ 5 = 12
  2. Ordered: 3, 11, 13, 15, 18 → median 13
  3. Mode: no mode
  4. Range: 18 − 3 = 15
2.Data: 10, 12, 5, 15, 3. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 10; mode no mode; range 12

  1. Mean: 45 ÷ 5 = 9
  2. Ordered: 3, 5, 10, 12, 15 → median 10
  3. Mode: no mode
  4. Range: 15 − 3 = 12
3.Data: 1, 2, 17, 5, 20. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 5; mode no mode; range 19

  1. Mean: 45 ÷ 5 = 9
  2. Ordered: 1, 2, 5, 17, 20 → median 5
  3. Mode: no mode
  4. Range: 20 − 1 = 19
4.Data: 12, 12, 17, 5, 4. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 12; mode 12; range 13

  1. Mean: 50 ÷ 5 = 10
  2. Ordered: 4, 5, 12, 12, 17 → median 12
  3. Mode: 12
  4. Range: 17 − 4 = 13
5.Data: 10, 16, 5, 11, 3. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 10; mode no mode; range 13

  1. Mean: 45 ÷ 5 = 9
  2. Ordered: 3, 5, 10, 11, 16 → median 10
  3. Mode: no mode
  4. Range: 16 − 3 = 13
6.Data: 20, 3, 13, 20, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 13; median 13; mode 20; range 17

  1. Mean: 65 ÷ 5 = 13
  2. Ordered: 3, 9, 13, 20, 20 → median 13
  3. Mode: 20
  4. Range: 20 − 3 = 17
7.Data: 9, 17, 18, 13, 8. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 13; median 13; mode no mode; range 10

  1. Mean: 65 ÷ 5 = 13
  2. Ordered: 8, 9, 13, 17, 18 → median 13
  3. Mode: no mode
  4. Range: 18 − 8 = 10
8.Data: 9, 4, 8, 19, 5. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 8; mode no mode; range 15

  1. Mean: 45 ÷ 5 = 9
  2. Ordered: 4, 5, 8, 9, 19 → median 8
  3. Mode: no mode
  4. Range: 19 − 4 = 15
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