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9th Grade Mean, Median, Mode and Range Worksheet — Level 1 — Practice Set 2 — Answers

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

9th Grade Mean, Median, Mode and Range Worksheet — Level 1 — Practice Set 2 — Answers

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

1.Data: 3, 12, 18, 11, 6. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 11; mode no mode; range 15

  1. Mean: 50 ÷ 5 = 10
  2. Ordered: 3, 6, 11, 12, 18 → median 11
  3. Mode: no mode
  4. Range: 18 − 3 = 15
2.Data: 1, 17, 12, 9, 11. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 11; mode no mode; range 16

  1. Mean: 50 ÷ 5 = 10
  2. Ordered: 1, 9, 11, 12, 17 → median 11
  3. Mode: no mode
  4. Range: 17 − 1 = 16
3.Data: 19, 9, 8, 9, 15. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 9; mode 9; range 11

  1. Mean: 60 ÷ 5 = 12
  2. Ordered: 8, 9, 9, 15, 19 → median 9
  3. Mode: 9
  4. Range: 19 − 8 = 11
4.Data: 20, 18, 10, 1, 6. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 11; median 10; mode no mode; range 19

  1. Mean: 55 ÷ 5 = 11
  2. Ordered: 1, 6, 10, 18, 20 → median 10
  3. Mode: no mode
  4. Range: 20 − 1 = 19
5.Data: 5, 19, 1, 6, 14. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 6; mode no mode; range 18

  1. Mean: 45 ÷ 5 = 9
  2. Ordered: 1, 5, 6, 14, 19 → median 6
  3. Mode: no mode
  4. Range: 19 − 1 = 18
6.Data: 9, 3, 3, 20, 20. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 11; median 9; mode 3 and 20; range 17

  1. Mean: 55 ÷ 5 = 11
  2. Ordered: 3, 3, 9, 20, 20 → median 9
  3. Mode: 3 and 20
  4. Range: 20 − 3 = 17
7.Data: 16, 8, 20, 13, 3. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 13; mode no mode; range 17

  1. Mean: 60 ÷ 5 = 12
  2. Ordered: 3, 8, 13, 16, 20 → median 13
  3. Mode: no mode
  4. Range: 20 − 3 = 17
8.Data: 3, 6, 7, 15, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 8; median 7; mode no mode; range 12

  1. Mean: 40 ÷ 5 = 8
  2. Ordered: 3, 6, 7, 9, 15 → median 7
  3. Mode: no mode
  4. Range: 15 − 3 = 12
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