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Year 7 Mean, Median, Mode and Range Worksheet — Level 1 — Answers

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Year 7 · Mathematics · Mean, Median, Mode & Range

Year 7 Mean, Median, Mode and Range Worksheet — Level 1 — Answers

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

1.Data: 19, 1, 11, 16, 8. Find the (a) mean, (b) median, (c) mode and (d) range.

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

  1. Mean: 55 ÷ 5 = 11
  2. Ordered: 1, 8, 11, 16, 19 → median 11
  3. Mode: no mode
  4. Range: 19 − 1 = 18
2.Data: 16, 19, 20, 14, 1. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 14; median 16; mode no mode; range 19

  1. Mean: 70 ÷ 5 = 14
  2. Ordered: 1, 14, 16, 19, 20 → median 16
  3. Mode: no mode
  4. Range: 20 − 1 = 19
3.Data: 12, 18, 19, 10, 6. Find the (a) mean, (b) median, (c) mode and (d) range.

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

  1. Mean: 65 ÷ 5 = 13
  2. Ordered: 6, 10, 12, 18, 19 → median 12
  3. Mode: no mode
  4. Range: 19 − 6 = 13
4.Data: 13, 4, 5, 2, 16. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 8; median 5; mode no mode; range 14

  1. Mean: 40 ÷ 5 = 8
  2. Ordered: 2, 4, 5, 13, 16 → median 5
  3. Mode: no mode
  4. Range: 16 − 2 = 14
5.Data: 19, 7, 12, 20, 17. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 15; median 17; mode no mode; range 13

  1. Mean: 75 ÷ 5 = 15
  2. Ordered: 7, 12, 17, 19, 20 → median 17
  3. Mode: no mode
  4. Range: 20 − 7 = 13
6.Data: 18, 7, 1, 6, 18. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 7; mode 18; range 17

  1. Mean: 50 ÷ 5 = 10
  2. Ordered: 1, 6, 7, 18, 18 → median 7
  3. Mode: 18
  4. Range: 18 − 1 = 17
7.Data: 9, 15, 11, 7, 18. Find the (a) mean, (b) median, (c) mode and (d) range.

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

  1. Mean: 60 ÷ 5 = 12
  2. Ordered: 7, 9, 11, 15, 18 → median 11
  3. Mode: no mode
  4. Range: 18 − 7 = 11
8.Data: 6, 19, 1, 7, 7. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 8; median 7; mode 7; range 18

  1. Mean: 40 ÷ 5 = 8
  2. Ordered: 1, 6, 7, 7, 19 → median 7
  3. Mode: 7
  4. Range: 19 − 1 = 18
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