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7th Grade Mean, Median, Mode and Range Worksheet — Level 2 — Answers

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Success TutoringWorksheetsAnswer sheet7th Grade · Mathematics · Mean, Median, Mode & Range

7th Grade Mean, Median, Mode and Range Worksheet — Level 2 — Answers

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

1.Data: 1, 20, 20, 19, 4, 20. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 14; median 19.5; mode 20; range 19

  1. Mean: 84 ÷ 6 = 14
  2. Ordered: 1, 4, 19, 20, 20, 20 → median 19.5
  3. Mode: 20
  4. Range: 20 − 1 = 19
2.Data: 3, 19, 12, 15, 3, 20. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 13.5; mode 3; range 17

  1. Mean: 72 ÷ 6 = 12
  2. Ordered: 3, 3, 12, 15, 19, 20 → median 13.5
  3. Mode: 3
  4. Range: 20 − 3 = 17
3.Data: 17, 17, 13, 4, 16, 13, 20, 12. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 14; median 14.5; mode 13 and 17; range 16

  1. Mean: 112 ÷ 8 = 14
  2. Ordered: 4, 12, 13, 13, 16, 17, 17, 20 → median 14.5
  3. Mode: 13 and 17
  4. Range: 20 − 4 = 16
4.Data: 1, 2, 3, 12, 14, 7, 17. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 8; median 7; mode no mode; range 16

  1. Mean: 56 ÷ 7 = 8
  2. Ordered: 1, 2, 3, 7, 12, 14, 17 → median 7
  3. Mode: no mode
  4. Range: 17 − 1 = 16
5.Data: 11, 3, 4, 5, 14, 14, 20, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 10; mode 14; range 17

  1. Mean: 80 ÷ 8 = 10
  2. Ordered: 3, 4, 5, 9, 11, 14, 14, 20 → median 10
  3. Mode: 14
  4. Range: 20 − 3 = 17
6.Data: 15, 16, 7, 1, 5, 10, 2. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 8; median 7; mode no mode; range 15

  1. Mean: 56 ÷ 7 = 8
  2. Ordered: 1, 2, 5, 7, 10, 15, 16 → median 7
  3. Mode: no mode
  4. Range: 16 − 1 = 15
7.Data: 14, 4, 17, 20, 14, 8, 14. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 13; median 14; mode 14; range 16

  1. Mean: 91 ÷ 7 = 13
  2. Ordered: 4, 8, 14, 14, 14, 17, 20 → median 14
  3. Mode: 14
  4. Range: 20 − 4 = 16
8.Data: 2, 3, 9, 7, 9, 8, 14, 20. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 8.5; mode 9; range 18

  1. Mean: 72 ÷ 8 = 9
  2. Ordered: 2, 3, 7, 8, 9, 9, 14, 20 → median 8.5
  3. Mode: 9
  4. Range: 20 − 2 = 18
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