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7th Grade Mean, Median, Mode and Range Worksheet — Level 3 — Practice Set 3 — Answers

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Success TutoringWorksheetsAnswer sheet7th Grade · Mathematics · Mean, Median, Mode & Range

7th Grade Mean, Median, Mode and Range Worksheet — Level 3 — Practice Set 3 — Answers

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

1.Data: 26, 7, 14, 6, 15, 48, 16. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 18.86; median 15; mode no mode; range 42

  1. Mean: 132 ÷ 7 = 18.86
  2. Ordered: 6, 7, 14, 15, 16, 26, 48 → median 15
  3. Mode: no mode
  4. Range: 48 − 6 = 42
2.Data: 12, 48, 27, 16, 41, 38, 8, 48. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 29.75; median 32.5; mode 48; range 40

  1. Mean: 238 ÷ 8 = 29.75
  2. Ordered: 8, 12, 16, 27, 38, 41, 48, 48 → median 32.5
  3. Mode: 48
  4. Range: 48 − 8 = 40
3.Data: 30, 16, 14, 50, 30, 37, 18. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 27.86; median 30; mode 30; range 36

  1. Mean: 195 ÷ 7 = 27.86
  2. Ordered: 14, 16, 18, 30, 30, 37, 50 → median 30
  3. Mode: 30
  4. Range: 50 − 14 = 36
4.Data: 50, 6, 23, 2, 22, 9, 17. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 18.43; median 17; mode no mode; range 48

  1. Mean: 129 ÷ 7 = 18.43
  2. Ordered: 2, 6, 9, 17, 22, 23, 50 → median 17
  3. Mode: no mode
  4. Range: 50 − 2 = 48
5.Data: 27, 43, 30, 33, 10, 14, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 23.71; median 27; mode no mode; range 34

  1. Mean: 166 ÷ 7 = 23.71
  2. Ordered: 9, 10, 14, 27, 30, 33, 43 → median 27
  3. Mode: no mode
  4. Range: 43 − 9 = 34
6.Data: 30, 28, 15, 46, 49, 48, 34. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 35.71; median 34; mode no mode; range 34

  1. Mean: 250 ÷ 7 = 35.71
  2. Ordered: 15, 28, 30, 34, 46, 48, 49 → median 34
  3. Mode: no mode
  4. Range: 49 − 15 = 34
7.Data: 11, 12, 1, 8, 31, 5, 45. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 16.14; median 11; mode no mode; range 44

  1. Mean: 113 ÷ 7 = 16.14
  2. Ordered: 1, 5, 8, 11, 12, 31, 45 → median 11
  3. Mode: no mode
  4. Range: 45 − 1 = 44
8.Data: 48, 47, 2, 19, 38, 35, 32, 6. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 28.38; median 33.5; mode no mode; range 46

  1. Mean: 227 ÷ 8 = 28.38
  2. Ordered: 2, 6, 19, 32, 35, 38, 47, 48 → median 33.5
  3. Mode: no mode
  4. Range: 48 − 2 = 46
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