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9th Grade Mean, Median, Mode and Range Worksheet — Level 3 — Practice Set 4 — Answers

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

9th Grade Mean, Median, Mode and Range Worksheet — Level 3 — Practice Set 4 — Answers

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

1.Data: 37, 19, 5, 48, 41, 13, 44, 25. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 29; median 31; mode no mode; range 43

  1. Mean: 232 ÷ 8 = 29
  2. Ordered: 5, 13, 19, 25, 37, 41, 44, 48 → median 31
  3. Mode: no mode
  4. Range: 48 − 5 = 43
2.Data: 48, 7, 33, 4, 20, 41, 39, 13. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 25.63; median 26.5; mode no mode; range 44

  1. Mean: 205 ÷ 8 = 25.63
  2. Ordered: 4, 7, 13, 20, 33, 39, 41, 48 → median 26.5
  3. Mode: no mode
  4. Range: 48 − 4 = 44
3.Data: 42, 38, 26, 43, 4, 45. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 33; median 40; mode no mode; range 41

  1. Mean: 198 ÷ 6 = 33
  2. Ordered: 4, 26, 38, 42, 43, 45 → median 40
  3. Mode: no mode
  4. Range: 45 − 4 = 41
4.Data: 32, 9, 12, 24, 5, 1, 26, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 14.75; median 10.5; mode 9; range 31

  1. Mean: 118 ÷ 8 = 14.75
  2. Ordered: 1, 5, 9, 9, 12, 24, 26, 32 → median 10.5
  3. Mode: 9
  4. Range: 32 − 1 = 31
5.Data: 27, 18, 38, 24, 44, 13, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 24.71; median 24; mode no mode; range 35

  1. Mean: 173 ÷ 7 = 24.71
  2. Ordered: 9, 13, 18, 24, 27, 38, 44 → median 24
  3. Mode: no mode
  4. Range: 44 − 9 = 35
6.Data: 8, 12, 33, 39, 49, 39, 23, 23. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 28.25; median 28; mode 23 and 39; range 41

  1. Mean: 226 ÷ 8 = 28.25
  2. Ordered: 8, 12, 23, 23, 33, 39, 39, 49 → median 28
  3. Mode: 23 and 39
  4. Range: 49 − 8 = 41
7.Data: 13, 10, 6, 10, 45, 4, 1, 30. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 14.88; median 10; mode 10; range 44

  1. Mean: 119 ÷ 8 = 14.88
  2. Ordered: 1, 4, 6, 10, 10, 13, 30, 45 → median 10
  3. Mode: 10
  4. Range: 45 − 1 = 44
8.Data: 19, 29, 9, 5, 4, 19, 13. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 14; median 13; mode 19; range 25

  1. Mean: 98 ÷ 7 = 14
  2. Ordered: 4, 5, 9, 13, 19, 19, 29 → median 13
  3. Mode: 19
  4. Range: 29 − 4 = 25
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