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9th Grade Mean, Median, Mode and Range Worksheet — Level 2 — Practice Set 3 — 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 3 — Answers

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

1.Data: 7, 19, 15, 4, 2, 14, 2. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 7; mode 2; range 17

  1. Mean: 63 ÷ 7 = 9
  2. Ordered: 2, 2, 4, 7, 14, 15, 19 → median 7
  3. Mode: 2
  4. Range: 19 − 2 = 17
2.Data: 20, 4, 8, 19, 10, 11. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 10.5; mode no mode; range 16

  1. Mean: 72 ÷ 6 = 12
  2. Ordered: 4, 8, 10, 11, 19, 20 → median 10.5
  3. Mode: no mode
  4. Range: 20 − 4 = 16
3.Data: 15, 20, 5, 6, 16, 11, 18. Find the (a) mean, (b) median, (c) mode and (d) range.

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

  1. Mean: 91 ÷ 7 = 13
  2. Ordered: 5, 6, 11, 15, 16, 18, 20 → median 15
  3. Mode: no mode
  4. Range: 20 − 5 = 15
4.Data: 17, 4, 10, 2, 9, 13, 13, 4. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 9.5; mode 4 and 13; range 15

  1. Mean: 72 ÷ 8 = 9
  2. Ordered: 2, 4, 4, 9, 10, 13, 13, 17 → median 9.5
  3. Mode: 4 and 13
  4. Range: 17 − 2 = 15
5.Data: 6, 10, 3, 13, 18, 8, 16, 6. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 9; mode 6; range 15

  1. Mean: 80 ÷ 8 = 10
  2. Ordered: 3, 6, 6, 8, 10, 13, 16, 18 → median 9
  3. Mode: 6
  4. Range: 18 − 3 = 15
6.Data: 8, 7, 5, 6, 16, 6. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 8; median 6.5; mode 6; range 11

  1. Mean: 48 ÷ 6 = 8
  2. Ordered: 5, 6, 6, 7, 8, 16 → median 6.5
  3. Mode: 6
  4. Range: 16 − 5 = 11
7.Data: 14, 19, 3, 1, 8, 9. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 8.5; mode no mode; range 18

  1. Mean: 54 ÷ 6 = 9
  2. Ordered: 1, 3, 8, 9, 14, 19 → median 8.5
  3. Mode: no mode
  4. Range: 19 − 1 = 18
8.Data: 6, 10, 3, 8, 3, 20, 6, 16. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 9; median 7; mode 3 and 6; range 17

  1. Mean: 72 ÷ 8 = 9
  2. Ordered: 3, 3, 6, 6, 8, 10, 16, 20 → median 7
  3. Mode: 3 and 6
  4. Range: 20 − 3 = 17
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