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

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

1.Data: 11, 8, 19, 13, 16, 16, 1. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 13; mode 16; range 18

  1. Mean: 84 ÷ 7 = 12
  2. Ordered: 1, 8, 11, 13, 16, 16, 19 → median 13
  3. Mode: 16
  4. Range: 19 − 1 = 18
2.Data: 15, 2, 8, 20, 19, 12, 9, 19. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 13; median 13.5; mode 19; range 18

  1. Mean: 104 ÷ 8 = 13
  2. Ordered: 2, 8, 9, 12, 15, 19, 19, 20 → median 13.5
  3. Mode: 19
  4. Range: 20 − 2 = 18
3.Data: 2, 13, 19, 14, 7, 15, 7. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 11; median 13; mode 7; range 17

  1. Mean: 77 ÷ 7 = 11
  2. Ordered: 2, 7, 7, 13, 14, 15, 19 → median 13
  3. Mode: 7
  4. Range: 19 − 2 = 17
4.Data: 9, 13, 15, 1, 12, 16. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 11; median 12.5; mode no mode; range 15

  1. Mean: 66 ÷ 6 = 11
  2. Ordered: 1, 9, 12, 13, 15, 16 → median 12.5
  3. Mode: no mode
  4. Range: 16 − 1 = 15
5.Data: 11, 13, 14, 10, 9, 15. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 12; mode no mode; range 6

  1. Mean: 72 ÷ 6 = 12
  2. Ordered: 9, 10, 11, 13, 14, 15 → median 12
  3. Mode: no mode
  4. Range: 15 − 9 = 6
6.Data: 8, 4, 4, 11, 6, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

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

  1. Mean: 42 ÷ 6 = 7
  2. Ordered: 4, 4, 6, 8, 9, 11 → median 7
  3. Mode: 4
  4. Range: 11 − 4 = 7
7.Data: 3, 15, 2, 8, 17, 10, 16, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 9.5; mode no mode; range 15

  1. Mean: 80 ÷ 8 = 10
  2. Ordered: 2, 3, 8, 9, 10, 15, 16, 17 → median 9.5
  3. Mode: no mode
  4. Range: 17 − 2 = 15
8.Data: 18, 19, 17, 14, 9, 1. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 13; median 15.5; mode no mode; range 18

  1. Mean: 78 ÷ 6 = 13
  2. Ordered: 1, 9, 14, 17, 18, 19 → median 15.5
  3. Mode: no mode
  4. Range: 19 − 1 = 18
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