Success TutoringWorksheets

Year 9 Mean, Median, Mode and Range Worksheet — Level 1 — Practice Set 3 — Answers

Answer sheet with worked solutions for the Year 9 mean, median, mode & range worksheet.

Download answers PDFPrint answersBack to worksheet
Success TutoringWorksheetsAnswer sheetYear 9 · Mathematics · Mean, Median, Mode & Range

Year 9 Mean, Median, Mode and Range Worksheet — Level 1 — Practice Set 3 — Answers

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

1.Data: 10, 3, 17, 4, 6. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 8; median 6; mode no mode; range 14

  1. Mean: 40 ÷ 5 = 8
  2. Ordered: 3, 4, 6, 10, 17 → median 6
  3. Mode: no mode
  4. Range: 17 − 3 = 14
2.Data: 11, 12, 17, 14, 16. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 14; median 14; mode no mode; range 6

  1. Mean: 70 ÷ 5 = 14
  2. Ordered: 11, 12, 14, 16, 17 → median 14
  3. Mode: no mode
  4. Range: 17 − 11 = 6
3.Data: 12, 10, 11, 5, 2. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 8; median 10; mode no mode; range 10

  1. Mean: 40 ÷ 5 = 8
  2. Ordered: 2, 5, 10, 11, 12 → median 10
  3. Mode: no mode
  4. Range: 12 − 2 = 10
4.Data: 12, 14, 5, 3, 1. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 7; median 5; mode no mode; range 13

  1. Mean: 35 ÷ 5 = 7
  2. Ordered: 1, 3, 5, 12, 14 → median 5
  3. Mode: no mode
  4. Range: 14 − 1 = 13
5.Data: 11, 4, 19, 20, 6. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 12; median 11; mode no mode; range 16

  1. Mean: 60 ÷ 5 = 12
  2. Ordered: 4, 6, 11, 19, 20 → median 11
  3. Mode: no mode
  4. Range: 20 − 4 = 16
6.Data: 3, 10, 10, 7, 10. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 8; median 10; mode 10; range 7

  1. Mean: 40 ÷ 5 = 8
  2. Ordered: 3, 7, 10, 10, 10 → median 10
  3. Mode: 10
  4. Range: 10 − 3 = 7
7.Data: 19, 14, 1, 8, 8. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 8; mode 8; range 18

  1. Mean: 50 ÷ 5 = 10
  2. Ordered: 1, 8, 8, 14, 19 → median 8
  3. Mode: 8
  4. Range: 19 − 1 = 18
8.Data: 20, 16, 8, 4, 2. Find the (a) mean, (b) median, (c) mode and (d) range.

Answer: mean 10; median 8; mode no mode; range 18

  1. Mean: 50 ÷ 5 = 10
  2. Ordered: 2, 4, 8, 16, 20 → median 8
  3. Mode: no mode
  4. Range: 20 − 2 = 18
Free worksheets at worksheets.successtutoring.com · © Success Tutoring · Free for personal and classroom use

Marking tips

  • Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
  • For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
  • Celebrate what went well first, then pick one thing to work on next.

Great work. Here's what to try next: