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Year 7 Mean, Median, Mode and Range Worksheet — Level 2 — Practice Set 4 — Answers

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Success TutoringWorksheetsAnswer sheetYear 7 · Mathematics · Mean, Median, Mode & Range

Year 7 Mean, Median, Mode and Range Worksheet — Level 2 — Practice Set 4 — Answers

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

1.Data: 9, 19, 10, 12, 11, 16, 7. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 11; mode no mode; range 12

  1. Mean: 84 ÷ 7 = 12
  2. Ordered: 7, 9, 10, 11, 12, 16, 19 → median 11
  3. Mode: no mode
  4. Range: 19 − 7 = 12
2.Data: 7, 12, 16, 8, 18, 3, 13, 3. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 10; mode 3; range 15

  1. Mean: 80 ÷ 8 = 10
  2. Ordered: 3, 3, 7, 8, 12, 13, 16, 18 → median 10
  3. Mode: 3
  4. Range: 18 − 3 = 15
3.Data: 18, 18, 20, 19, 14, 9, 5, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 14; median 16; mode 9 and 18; range 15

  1. Mean: 112 ÷ 8 = 14
  2. Ordered: 5, 9, 9, 14, 18, 18, 19, 20 → median 16
  3. Mode: 9 and 18
  4. Range: 20 − 5 = 15
4.Data: 2, 8, 10, 16, 9, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 9; mode 9; range 14

  1. Mean: 54 ÷ 6 = 9
  2. Ordered: 2, 8, 9, 9, 10, 16 → median 9
  3. Mode: 9
  4. Range: 16 − 2 = 14
5.Data: 19, 14, 5, 9, 6, 1, 19, 15. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 11; median 11.5; mode 19; range 18

  1. Mean: 88 ÷ 8 = 11
  2. Ordered: 1, 5, 6, 9, 14, 15, 19, 19 → median 11.5
  3. Mode: 19
  4. Range: 19 − 1 = 18
6.Data: 15, 6, 12, 3, 10, 2. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 8; median 8; mode no mode; range 13

  1. Mean: 48 ÷ 6 = 8
  2. Ordered: 2, 3, 6, 10, 12, 15 → median 8
  3. Mode: no mode
  4. Range: 15 − 2 = 13
7.Data: 11, 2, 20, 12, 6, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

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

  1. Mean: 60 ÷ 6 = 10
  2. Ordered: 2, 6, 9, 11, 12, 20 → median 10
  3. Mode: no mode
  4. Range: 20 − 2 = 18
8.Data: 13, 10, 16, 9, 8, 16, 20, 4. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 11.5; mode 16; range 16

  1. Mean: 96 ÷ 8 = 12
  2. Ordered: 4, 8, 9, 10, 13, 16, 16, 20 → median 11.5
  3. Mode: 16
  4. Range: 20 − 4 = 16
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