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8th Grade Mean, Median, Mode and Range Worksheet — Level 2 — Practice Set 4 — Answers

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

8th Grade Mean, Median, Mode and Range Worksheet — Level 2 — Practice Set 4 — Answers

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

1.Data: 1, 17, 4, 16, 15, 19. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 15.5; mode no mode; range 18

  1. Mean: 72 ÷ 6 = 12
  2. Ordered: 1, 4, 15, 16, 17, 19 → median 15.5
  3. Mode: no mode
  4. Range: 19 − 1 = 18
2.Data: 6, 16, 18, 1, 19, 15, 3, 10. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 11; median 12.5; mode no mode; range 18

  1. Mean: 88 ÷ 8 = 11
  2. Ordered: 1, 3, 6, 10, 15, 16, 18, 19 → median 12.5
  3. Mode: no mode
  4. Range: 19 − 1 = 18
3.Data: 8, 2, 18, 18, 1, 7. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 7.5; mode 18; range 17

  1. Mean: 54 ÷ 6 = 9
  2. Ordered: 1, 2, 7, 8, 18, 18 → median 7.5
  3. Mode: 18
  4. Range: 18 − 1 = 17
4.Data: 1, 6, 20, 13, 14, 12, 5, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 10.5; mode no mode; range 19

  1. Mean: 80 ÷ 8 = 10
  2. Ordered: 1, 5, 6, 9, 12, 13, 14, 20 → median 10.5
  3. Mode: no mode
  4. Range: 20 − 1 = 19
5.Data: 7, 12, 10, 14, 7, 10. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 10; mode 7 and 10; range 7

  1. Mean: 60 ÷ 6 = 10
  2. Ordered: 7, 7, 10, 10, 12, 14 → median 10
  3. Mode: 7 and 10
  4. Range: 14 − 7 = 7
6.Data: 2, 18, 1, 13, 8, 13, 13, 12. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 12.5; mode 13; range 17

  1. Mean: 80 ÷ 8 = 10
  2. Ordered: 1, 2, 8, 12, 13, 13, 13, 18 → median 12.5
  3. Mode: 13
  4. Range: 18 − 1 = 17
7.Data: 13, 13, 12, 4, 17, 19, 13. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 13; median 13; mode 13; range 15

  1. Mean: 91 ÷ 7 = 13
  2. Ordered: 4, 12, 13, 13, 13, 17, 19 → median 13
  3. Mode: 13
  4. Range: 19 − 4 = 15
8.Data: 19, 16, 2, 13, 4, 13, 14, 15. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 13.5; mode 13; range 17

  1. Mean: 96 ÷ 8 = 12
  2. Ordered: 2, 4, 13, 13, 14, 15, 16, 19 → median 13.5
  3. Mode: 13
  4. Range: 19 − 2 = 17
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