Question

Create a frequency table for the data shown.
[22, 24, 25, 26, 26, 26, 27, 27, 29, 29, 33, 37, 42, 42, 45, 46, 50, 50, 51, 52, 53, 54, 56, 57]

Which is the frequency for the interval 27 – 33?

Use the table frame to help you.

Interval Frequency
20 – 26
27 – 33
34 – 40
41 – 47
48 – 54
55 – 61

5

3

4

6

Answer 1

Frequency table:

- 20 – 26: 6 (22, 24, 25, 26, 26, 26)
- 27 – 33: 5 (27, 27, 29, 29, 33)
- 34 – 40: 1 (37)
- 41 – 47: 4 (42, 42, 45, 46)
- 48 – 54: 6 (50, 50, 51, 52, 53, 54)
- 55 – 61: 2 (56, 57)

So the frequency for 27 – 33 is 5.