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

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

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

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

1.Data: 14, 9, 17, 18, 15, 19, 6. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 14; median 15; mode no mode; range 13

  1. Mean: 98 ÷ 7 = 14
  2. Ordered: 6, 9, 14, 15, 17, 18, 19 → median 15
  3. Mode: no mode
  4. Range: 19 − 6 = 13
2.Data: 16, 7, 6, 11, 4, 10, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 9; mode no mode; range 12

  1. Mean: 63 ÷ 7 = 9
  2. Ordered: 4, 6, 7, 9, 10, 11, 16 → median 9
  3. Mode: no mode
  4. Range: 16 − 4 = 12
3.Data: 6, 17, 11, 3, 8, 4, 19, 12. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 9.5; mode no mode; range 16

  1. Mean: 80 ÷ 8 = 10
  2. Ordered: 3, 4, 6, 8, 11, 12, 17, 19 → median 9.5
  3. Mode: no mode
  4. Range: 19 − 3 = 16
4.Data: 12, 6, 15, 15, 16, 2, 2, 4. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 9; mode 2 and 15; range 14

  1. Mean: 72 ÷ 8 = 9
  2. Ordered: 2, 2, 4, 6, 12, 15, 15, 16 → median 9
  3. Mode: 2 and 15
  4. Range: 16 − 2 = 14
5.Data: 2, 12, 19, 3, 2, 19, 8, 7. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 7.5; mode 2 and 19; range 17

  1. Mean: 72 ÷ 8 = 9
  2. Ordered: 2, 2, 3, 7, 8, 12, 19, 19 → median 7.5
  3. Mode: 2 and 19
  4. Range: 19 − 2 = 17
6.Data: 20, 12, 15, 3, 12, 3, 5. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 12; mode 3 and 12; range 17

  1. Mean: 70 ÷ 7 = 10
  2. Ordered: 3, 3, 5, 12, 12, 15, 20 → median 12
  3. Mode: 3 and 12
  4. Range: 20 − 3 = 17
7.Data: 17, 11, 3, 20, 20, 1. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 14; mode 20; range 19

  1. Mean: 72 ÷ 6 = 12
  2. Ordered: 1, 3, 11, 17, 20, 20 → median 14
  3. Mode: 20
  4. Range: 20 − 1 = 19
8.Data: 12, 2, 9, 13, 17, 13. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 11; median 12.5; mode 13; range 15

  1. Mean: 66 ÷ 6 = 11
  2. Ordered: 2, 9, 12, 13, 13, 17 → median 12.5
  3. Mode: 13
  4. Range: 17 − 2 = 15
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