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9th Grade Mean, Median, Mode and Range Worksheet — Level 2 — 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 2 — Practice Set 4 — Answers

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

1.Data: 20, 11, 14, 8, 17, 7, 7. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 11; mode 7; range 13

  1. Mean: 84 ÷ 7 = 12
  2. Ordered: 7, 7, 8, 11, 14, 17, 20 → median 11
  3. Mode: 7
  4. Range: 20 − 7 = 13
2.Data: 17, 16, 5, 18, 18, 16. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 15; median 16.5; mode 16 and 18; range 13

  1. Mean: 90 ÷ 6 = 15
  2. Ordered: 5, 16, 16, 17, 18, 18 → median 16.5
  3. Mode: 16 and 18
  4. Range: 18 − 5 = 13
3.Data: 20, 1, 13, 10, 3, 13, 1, 19. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 11.5; mode 1 and 13; range 19

  1. Mean: 80 ÷ 8 = 10
  2. Ordered: 1, 1, 3, 10, 13, 13, 19, 20 → median 11.5
  3. Mode: 1 and 13
  4. Range: 20 − 1 = 19
4.Data: 6, 13, 20, 10, 9, 7, 10, 5. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 9.5; mode 10; range 15

  1. Mean: 80 ÷ 8 = 10
  2. Ordered: 5, 6, 7, 9, 10, 10, 13, 20 → median 9.5
  3. Mode: 10
  4. Range: 20 − 5 = 15
5.Data: 9, 15, 7, 2, 20, 2, 8. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 8; mode 2; range 18

  1. Mean: 63 ÷ 7 = 9
  2. Ordered: 2, 2, 7, 8, 9, 15, 20 → median 8
  3. Mode: 2
  4. Range: 20 − 2 = 18
6.Data: 12, 6, 11, 17, 18, 7, 13. Find the (a) mean, (b) median, (c) mode and (d) range.

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

  1. Mean: 84 ÷ 7 = 12
  2. Ordered: 6, 7, 11, 12, 13, 17, 18 → median 12
  3. Mode: no mode
  4. Range: 18 − 6 = 12
7.Data: 10, 3, 4, 19, 16, 13, 4, 11. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 10.5; mode 4; range 16

  1. Mean: 80 ÷ 8 = 10
  2. Ordered: 3, 4, 4, 10, 11, 13, 16, 19 → median 10.5
  3. Mode: 4
  4. Range: 19 − 3 = 16
8.Data: 14, 13, 16, 14, 2, 1, 8, 12. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 12.5; mode 14; range 15

  1. Mean: 80 ÷ 8 = 10
  2. Ordered: 1, 2, 8, 12, 13, 14, 14, 16 → median 12.5
  3. Mode: 14
  4. Range: 16 − 1 = 15
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