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: 18, 21, 28, 32, 34.
18 · 21 · 28 · 32 · Median & range of data sets
2. Find the range of the ordered data set: 19, 22, 25, 30, 32.
19 · 22 · 25 · 30 · Median & range of data sets
3. Find the median of the ordered data set: 9, 17, 18, 26, 27.
9 · 17 · 18 · 26 · Median & range of data sets
4. Find the median of the ordered data set: 10, 17, 22, 23, 30.
10 · 17 · 22 · 23 · Median & range of data sets
5. Find the median of the ordered data set: 15, 16, 17, 18, 26.
15 · 16 · 17 · 18 · Median & range of data sets
6. Find the range of the ordered data set: 27, 33, 36, 37, 38.
27 · 33 · 36 · 37 · Median & range of data sets
7. Find the range of the ordered data set: 29, 34, 39, 47, 51.
29 · 34 · 39 · 47 · Median & range of data sets
8. Find the range of the ordered data set: 2, 7, 14, 15, 16.
2 · 7 · 14 · 15 · Median & range of data sets
9. Find the median of the ordered data set: 2, 6, 7, 8, 14.
2 · 6 · 7 · 8 · Median & range of data sets
10. Find the median of the ordered data set: 6, 10, 13, 19, 25.
6 · 10 · 13 · 19 · Median & range of data sets
11. Find the range of the ordered data set: 5, 9, 17, 21, 26.
5 · 9 · 17 · 21 · Median & range of data sets
12. Find the range of the ordered data set: 18, 19, 25, 27, 30.
18 · 19 · 25 · 27 · Median & range of data sets

12 questions · Seed 52 · 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: 18, 21, 28, 32, 34.
16
The range is maximum minus minimum: 34 − 18 = 16.
2. Find the range of the ordered data set: 19, 22, 25, 30, 32.
13
The range is maximum minus minimum: 32 − 19 = 13.
3. Find the median of the ordered data set: 9, 17, 18, 26, 27.
18
The middle (3rd) value of the 5 ordered numbers is 18.
4. Find the median of the ordered data set: 10, 17, 22, 23, 30.
22
The middle (3rd) value of the 5 ordered numbers is 22.
5. Find the median of the ordered data set: 15, 16, 17, 18, 26.
17
The middle (3rd) value of the 5 ordered numbers is 17.
6. Find the range of the ordered data set: 27, 33, 36, 37, 38.
11
The range is maximum minus minimum: 38 − 27 = 11.
7. Find the range of the ordered data set: 29, 34, 39, 47, 51.
22
The range is maximum minus minimum: 51 − 29 = 22.
8. Find the range of the ordered data set: 2, 7, 14, 15, 16.
14
The range is maximum minus minimum: 16 − 2 = 14.
9. Find the median of the ordered data set: 2, 6, 7, 8, 14.
7
The middle (3rd) value of the 5 ordered numbers is 7.
10. Find the median of the ordered data set: 6, 10, 13, 19, 25.
13
The middle (3rd) value of the 5 ordered numbers is 13.
11. Find the range of the ordered data set: 5, 9, 17, 21, 26.
21
The range is maximum minus minimum: 26 − 5 = 21.
12. Find the range of the ordered data set: 18, 19, 25, 27, 30.
12
The range is maximum minus minimum: 30 − 18 = 12.

12 questions · Seed 52 · 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: 18, 21, 28, 32, 34.
18 · 21 · 28 · 32 · Median & range of data sets
2. Find the range of the ordered data set: 19, 22, 25, 30, 32.
19 · 22 · 25 · 30 · Median & range of data sets
3. Find the median of the ordered data set: 9, 17, 18, 26, 27.
9 · 17 · 18 · 26 · Median & range of data sets
4. Find the median of the ordered data set: 10, 17, 22, 23, 30.
10 · 17 · 22 · 23 · Median & range of data sets
5. Find the median of the ordered data set: 15, 16, 17, 18, 26.
15 · 16 · 17 · 18 · Median & range of data sets
6. Find the range of the ordered data set: 27, 33, 36, 37, 38.
27 · 33 · 36 · 37 · Median & range of data sets
7. Find the range of the ordered data set: 29, 34, 39, 47, 51.
29 · 34 · 39 · 47 · Median & range of data sets
8. Find the range of the ordered data set: 2, 7, 14, 15, 16.
2 · 7 · 14 · 15 · Median & range of data sets
9. Find the median of the ordered data set: 2, 6, 7, 8, 14.
2 · 6 · 7 · 8 · Median & range of data sets
10. Find the median of the ordered data set: 6, 10, 13, 19, 25.
6 · 10 · 13 · 19 · Median & range of data sets
11. Find the range of the ordered data set: 5, 9, 17, 21, 26.
5 · 9 · 17 · 21 · Median & range of data sets
12. Find the range of the ordered data set: 18, 19, 25, 27, 30.
18 · 19 · 25 · 27 · Median & range of data sets

12 questions · Seed 52 · 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: 18, 21, 28, 32, 34.
16
The range is maximum minus minimum: 34 − 18 = 16.
2. Find the range of the ordered data set: 19, 22, 25, 30, 32.
13
The range is maximum minus minimum: 32 − 19 = 13.
3. Find the median of the ordered data set: 9, 17, 18, 26, 27.
18
The middle (3rd) value of the 5 ordered numbers is 18.
4. Find the median of the ordered data set: 10, 17, 22, 23, 30.
22
The middle (3rd) value of the 5 ordered numbers is 22.
5. Find the median of the ordered data set: 15, 16, 17, 18, 26.
17
The middle (3rd) value of the 5 ordered numbers is 17.
6. Find the range of the ordered data set: 27, 33, 36, 37, 38.
11
The range is maximum minus minimum: 38 − 27 = 11.
7. Find the range of the ordered data set: 29, 34, 39, 47, 51.
22
The range is maximum minus minimum: 51 − 29 = 22.
8. Find the range of the ordered data set: 2, 7, 14, 15, 16.
14
The range is maximum minus minimum: 16 − 2 = 14.
9. Find the median of the ordered data set: 2, 6, 7, 8, 14.
7
The middle (3rd) value of the 5 ordered numbers is 7.
10. Find the median of the ordered data set: 6, 10, 13, 19, 25.
13
The middle (3rd) value of the 5 ordered numbers is 13.
11. Find the range of the ordered data set: 5, 9, 17, 21, 26.
21
The range is maximum minus minimum: 26 − 5 = 21.
12. Find the range of the ordered data set: 18, 19, 25, 27, 30.
12
The range is maximum minus minimum: 30 − 18 = 12.

12 questions · Seed 52 · Age guidance, not curriculum certification