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9th Grade Mean, Median, Mode and Range Worksheet — Level 3 — Answers

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Success TutoringWorksheetsAnswer sheet9th Grade · Mathematics · Mean, Median, Mode & Range

9th Grade Mean, Median, Mode and Range Worksheet — Level 3 — Answers

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

1.Data: 36, 38, 4, 48, 50, 28, 21. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 32.14; median 36; mode no mode; range 46

  1. Mean: 225 ÷ 7 = 32.14
  2. Ordered: 4, 21, 28, 36, 38, 48, 50 → median 36
  3. Mode: no mode
  4. Range: 50 − 4 = 46
2.Data: 19, 44, 32, 48, 8, 36, 29, 2. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 27.25; median 30.5; mode no mode; range 46

  1. Mean: 218 ÷ 8 = 27.25
  2. Ordered: 2, 8, 19, 29, 32, 36, 44, 48 → median 30.5
  3. Mode: no mode
  4. Range: 48 − 2 = 46
3.Data: 14, 19, 8, 30, 21, 47, 28. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 23.86; median 21; mode no mode; range 39

  1. Mean: 167 ÷ 7 = 23.86
  2. Ordered: 8, 14, 19, 21, 28, 30, 47 → median 21
  3. Mode: no mode
  4. Range: 47 − 8 = 39
4.Data: 44, 25, 18, 19, 18, 15, 32. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 24.43; median 19; mode 18; range 29

  1. Mean: 171 ÷ 7 = 24.43
  2. Ordered: 15, 18, 18, 19, 25, 32, 44 → median 19
  3. Mode: 18
  4. Range: 44 − 15 = 29
5.Data: 32, 26, 47, 42, 10, 37. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 32.33; median 34.5; mode no mode; range 37

  1. Mean: 194 ÷ 6 = 32.33
  2. Ordered: 10, 26, 32, 37, 42, 47 → median 34.5
  3. Mode: no mode
  4. Range: 47 − 10 = 37
6.Data: 2, 1, 50, 47, 17, 38, 32, 35. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 27.75; median 33.5; mode no mode; range 49

  1. Mean: 222 ÷ 8 = 27.75
  2. Ordered: 1, 2, 17, 32, 35, 38, 47, 50 → median 33.5
  3. Mode: no mode
  4. Range: 50 − 1 = 49
7.Data: 16, 46, 29, 41, 32, 3, 6. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 24.71; median 29; mode no mode; range 43

  1. Mean: 173 ÷ 7 = 24.71
  2. Ordered: 3, 6, 16, 29, 32, 41, 46 → median 29
  3. Mode: no mode
  4. Range: 46 − 3 = 43
8.Data: 1, 8, 15, 20, 45, 17, 47, 49. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 25.25; median 18.5; mode no mode; range 48

  1. Mean: 202 ÷ 8 = 25.25
  2. Ordered: 1, 8, 15, 17, 20, 45, 47, 49 → median 18.5
  3. Mode: no mode
  4. Range: 49 − 1 = 48
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