Question

Ponce is creating a relative frequency table for the data shown.
[57, 64, 55, 72, 58, 59, 68, 62, 70, 59, 63, 56, 70, 56, 56]

What is the relative frequency for the interval 60 – 64?

Use the table frame to help you.

Intervals Frequency Relative Frequency
55 – 59
60 – 64
65 – 69
70 – 74

0.33

0.20

0.30

0.53

Answer 1

Count the values in 60–64: 64, 62, 63 → 3 values.
Relative frequency = 3 / 15 = 0.20.