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8th Grade Mean, Median, Mode and Range Worksheet — Level 1 — Answers

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Success TutoringWorksheetsAnswer sheet8th Grade · Mathematics · Mean, Median, Mode & Range

8th Grade Mean, Median, Mode and Range Worksheet — Level 1 — Answers

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

1.Data: 14, 1, 4, 15, 1. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 7; median 4; mode 1; range 14

  1. Mean: 35 ÷ 5 = 7
  2. Ordered: 1, 1, 4, 14, 15 → median 4
  3. Mode: 1
  4. Range: 15 − 1 = 14
2.Data: 11, 8, 9, 20, 2. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 9; mode no mode; range 18

  1. Mean: 50 ÷ 5 = 10
  2. Ordered: 2, 8, 9, 11, 20 → median 9
  3. Mode: no mode
  4. Range: 20 − 2 = 18
3.Data: 14, 12, 4, 9, 11. Find the (a) mean, (b) median, (c) mode and (d) range.

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

  1. Mean: 50 ÷ 5 = 10
  2. Ordered: 4, 9, 11, 12, 14 → median 11
  3. Mode: no mode
  4. Range: 14 − 4 = 10
4.Data: 4, 10, 13, 8, 15. Find the (a) mean, (b) median, (c) mode and (d) range.

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

  1. Mean: 50 ÷ 5 = 10
  2. Ordered: 4, 8, 10, 13, 15 → median 10
  3. Mode: no mode
  4. Range: 15 − 4 = 11
5.Data: 10, 10, 12, 12, 11. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 11; median 11; mode 10 and 12; range 2

  1. Mean: 55 ÷ 5 = 11
  2. Ordered: 10, 10, 11, 12, 12 → median 11
  3. Mode: 10 and 12
  4. Range: 12 − 10 = 2
6.Data: 18, 1, 7, 16, 13. Find the (a) mean, (b) median, (c) mode and (d) range.

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

  1. Mean: 55 ÷ 5 = 11
  2. Ordered: 1, 7, 13, 16, 18 → median 13
  3. Mode: no mode
  4. Range: 18 − 1 = 17
7.Data: 9, 10, 19, 8, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

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

  1. Mean: 55 ÷ 5 = 11
  2. Ordered: 8, 9, 9, 10, 19 → median 9
  3. Mode: 9
  4. Range: 19 − 8 = 11
8.Data: 7, 7, 17, 16, 8. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 11; median 8; mode 7; range 10

  1. Mean: 55 ÷ 5 = 11
  2. Ordered: 7, 7, 8, 16, 17 → median 8
  3. Mode: 7
  4. Range: 17 − 7 = 10
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