Question

0 The data represent the time, in minutes, spent reading a political blog in a day. Construct a frequency distribution using 5 classes. In the table, include the midpoints, relative frequencies, and cumulative frequencies. Which class has the greatest frequency and which has the least frequency? 2 12 13 11 6 11 14 19 9 8 19 14 12 19 0 18 7 18 17 1

Answer 1

First, we need to calculate the class width using the following formula:

Class Width Highest - Lowest Number of classes

19-0 Class Width - 4.95 = 5 5

The table is as follows:

Class Frequency Midpoint 0-4 4-8 8-12 12-16 16-20 Total 3 2 4 5 6 20 2 6 10 14 18 Relative Frequency 0.15 0.1 0.2 0.25 0.3 Cumulative Frequency 3 5 9 14 20 1

The class with the greatest frequency is from 16-20

The class with the least frequency is from 4-8