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8th Grade Mean, Median, Mode and Range Worksheet — Level 3 — 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 3 — Practice Set 2 — Answers

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

1.Data: 50, 12, 18, 40, 29, 50, 21. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 31.43; median 29; mode 50; range 38

  1. Mean: 220 ÷ 7 = 31.43
  2. Ordered: 12, 18, 21, 29, 40, 50, 50 → median 29
  3. Mode: 50
  4. Range: 50 − 12 = 38
2.Data: 1, 21, 45, 42, 3, 32. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 24; median 26.5; mode no mode; range 44

  1. Mean: 144 ÷ 6 = 24
  2. Ordered: 1, 3, 21, 32, 42, 45 → median 26.5
  3. Mode: no mode
  4. Range: 45 − 1 = 44
3.Data: 21, 27, 25, 33, 6, 7. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 19.83; median 23; mode no mode; range 27

  1. Mean: 119 ÷ 6 = 19.83
  2. Ordered: 6, 7, 21, 25, 27, 33 → median 23
  3. Mode: no mode
  4. Range: 33 − 6 = 27
4.Data: 33, 19, 29, 14, 4, 12. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 18.5; median 16.5; mode no mode; range 29

  1. Mean: 111 ÷ 6 = 18.5
  2. Ordered: 4, 12, 14, 19, 29, 33 → median 16.5
  3. Mode: no mode
  4. Range: 33 − 4 = 29
5.Data: 32, 13, 21, 6, 29, 5, 29, 44. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 22.38; median 25; mode 29; range 39

  1. Mean: 179 ÷ 8 = 22.38
  2. Ordered: 5, 6, 13, 21, 29, 29, 32, 44 → median 25
  3. Mode: 29
  4. Range: 44 − 5 = 39
6.Data: 34, 19, 20, 17, 14, 9, 5, 40. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 19.75; median 18; mode no mode; range 35

  1. Mean: 158 ÷ 8 = 19.75
  2. Ordered: 5, 9, 14, 17, 19, 20, 34, 40 → median 18
  3. Mode: no mode
  4. Range: 40 − 5 = 35
7.Data: 12, 23, 3, 37, 25, 5. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 17.5; median 17.5; mode no mode; range 34

  1. Mean: 105 ÷ 6 = 17.5
  2. Ordered: 3, 5, 12, 23, 25, 37 → median 17.5
  3. Mode: no mode
  4. Range: 37 − 3 = 34
8.Data: 23, 16, 26, 38, 7, 12, 16. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 19.71; median 16; mode 16; range 31

  1. Mean: 138 ÷ 7 = 19.71
  2. Ordered: 7, 12, 16, 16, 23, 26, 38 → median 16
  3. Mode: 16
  4. Range: 38 − 7 = 31
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