MathsAges 13-15

Median & range of data sets

Find the middle value (median) or the spread (range) of an ordered five-number data set. Review suitability for your learners before teaching.

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Worksheet StudioPractice pack · Ages 13-15

Take your time. Show your thinking.

1. Find the range of the ordered data set: 21, 22, 26, 29, 36.
21 · 22 · 26 · 29 · Median & range of data sets
2. Find the median of the ordered data set: 21, 28, 33, 35, 41.
21 · 28 · 33 · 35 · Median & range of data sets
3. Find the median of the ordered data set: 9, 14, 20, 23, 28.
9 · 14 · 20 · 23 · Median & range of data sets
4. Find the range of the ordered data set: 23, 26, 33, 38, 40.
23 · 26 · 33 · 38 · Median & range of data sets
5. Find the range of the ordered data set: 18, 25, 28, 36, 43.
18 · 25 · 28 · 36 · Median & range of data sets
6. Find the range of the ordered data set: 6, 8, 9, 13, 21.
6 · 8 · 9 · 13 · Median & range of data sets
7. Find the range of the ordered data set: 11, 14, 22, 24, 30.
11 · 14 · 22 · 24 · Median & range of data sets
8. Find the range of the ordered data set: 12, 13, 15, 22, 24.
12 · 13 · 15 · 22 · Median & range of data sets
9. Find the median of the ordered data set: 23, 28, 36, 41, 42.
23 · 28 · 36 · 41 · Median & range of data sets
10. Find the range of the ordered data set: 10, 15, 23, 27, 33.
10 · 15 · 23 · 27 · Median & range of data sets
11. Find the range of the ordered data set: 4, 7, 12, 14, 18.
4 · 7 · 12 · 14 · Median & range of data sets
12. Find the range of the ordered data set: 28, 31, 34, 36, 40.
28 · 31 · 34 · 36 · Median & range of data sets

12 questions · Seed 42 · Age guidance, not curriculum certification

View the answer key

Worksheet StudioAnswer key · Ages 13-15

Answers and reasoning. Review before teaching.

1. Find the range of the ordered data set: 21, 22, 26, 29, 36.
15
The range is maximum minus minimum: 36 − 21 = 15.
2. Find the median of the ordered data set: 21, 28, 33, 35, 41.
33
The middle (3rd) value of the 5 ordered numbers is 33.
3. Find the median of the ordered data set: 9, 14, 20, 23, 28.
20
The middle (3rd) value of the 5 ordered numbers is 20.
4. Find the range of the ordered data set: 23, 26, 33, 38, 40.
17
The range is maximum minus minimum: 40 − 23 = 17.
5. Find the range of the ordered data set: 18, 25, 28, 36, 43.
25
The range is maximum minus minimum: 43 − 18 = 25.
6. Find the range of the ordered data set: 6, 8, 9, 13, 21.
15
The range is maximum minus minimum: 21 − 6 = 15.
7. Find the range of the ordered data set: 11, 14, 22, 24, 30.
19
The range is maximum minus minimum: 30 − 11 = 19.
8. Find the range of the ordered data set: 12, 13, 15, 22, 24.
12
The range is maximum minus minimum: 24 − 12 = 12.
9. Find the median of the ordered data set: 23, 28, 36, 41, 42.
36
The middle (3rd) value of the 5 ordered numbers is 36.
10. Find the range of the ordered data set: 10, 15, 23, 27, 33.
23
The range is maximum minus minimum: 33 − 10 = 23.
11. Find the range of the ordered data set: 4, 7, 12, 14, 18.
14
The range is maximum minus minimum: 18 − 4 = 14.
12. Find the range of the ordered data set: 28, 31, 34, 36, 40.
12
The range is maximum minus minimum: 40 − 28 = 12.

12 questions · Seed 42 · Age guidance, not curriculum certification

Worksheet StudioPractice pack · Ages 13-15

Take your time. Show your thinking.

1. Find the range of the ordered data set: 21, 22, 26, 29, 36.
21 · 22 · 26 · 29 · Median & range of data sets
2. Find the median of the ordered data set: 21, 28, 33, 35, 41.
21 · 28 · 33 · 35 · Median & range of data sets
3. Find the median of the ordered data set: 9, 14, 20, 23, 28.
9 · 14 · 20 · 23 · Median & range of data sets
4. Find the range of the ordered data set: 23, 26, 33, 38, 40.
23 · 26 · 33 · 38 · Median & range of data sets
5. Find the range of the ordered data set: 18, 25, 28, 36, 43.
18 · 25 · 28 · 36 · Median & range of data sets
6. Find the range of the ordered data set: 6, 8, 9, 13, 21.
6 · 8 · 9 · 13 · Median & range of data sets
7. Find the range of the ordered data set: 11, 14, 22, 24, 30.
11 · 14 · 22 · 24 · Median & range of data sets
8. Find the range of the ordered data set: 12, 13, 15, 22, 24.
12 · 13 · 15 · 22 · Median & range of data sets
9. Find the median of the ordered data set: 23, 28, 36, 41, 42.
23 · 28 · 36 · 41 · Median & range of data sets
10. Find the range of the ordered data set: 10, 15, 23, 27, 33.
10 · 15 · 23 · 27 · Median & range of data sets
11. Find the range of the ordered data set: 4, 7, 12, 14, 18.
4 · 7 · 12 · 14 · Median & range of data sets
12. Find the range of the ordered data set: 28, 31, 34, 36, 40.
28 · 31 · 34 · 36 · Median & range of data sets

12 questions · Seed 42 · Age guidance, not curriculum certification

Worksheet StudioAnswer key · Ages 13-15

Answers and reasoning. Review before teaching.

1. Find the range of the ordered data set: 21, 22, 26, 29, 36.
15
The range is maximum minus minimum: 36 − 21 = 15.
2. Find the median of the ordered data set: 21, 28, 33, 35, 41.
33
The middle (3rd) value of the 5 ordered numbers is 33.
3. Find the median of the ordered data set: 9, 14, 20, 23, 28.
20
The middle (3rd) value of the 5 ordered numbers is 20.
4. Find the range of the ordered data set: 23, 26, 33, 38, 40.
17
The range is maximum minus minimum: 40 − 23 = 17.
5. Find the range of the ordered data set: 18, 25, 28, 36, 43.
25
The range is maximum minus minimum: 43 − 18 = 25.
6. Find the range of the ordered data set: 6, 8, 9, 13, 21.
15
The range is maximum minus minimum: 21 − 6 = 15.
7. Find the range of the ordered data set: 11, 14, 22, 24, 30.
19
The range is maximum minus minimum: 30 − 11 = 19.
8. Find the range of the ordered data set: 12, 13, 15, 22, 24.
12
The range is maximum minus minimum: 24 − 12 = 12.
9. Find the median of the ordered data set: 23, 28, 36, 41, 42.
36
The middle (3rd) value of the 5 ordered numbers is 36.
10. Find the range of the ordered data set: 10, 15, 23, 27, 33.
23
The range is maximum minus minimum: 33 − 10 = 23.
11. Find the range of the ordered data set: 4, 7, 12, 14, 18.
14
The range is maximum minus minimum: 18 − 4 = 14.
12. Find the range of the ordered data set: 28, 31, 34, 36, 40.
12
The range is maximum minus minimum: 40 − 28 = 12.

12 questions · Seed 42 · Age guidance, not curriculum certification