Relative Frequencies Practice
Complete this assessment to review what you've learned. It will not count toward your grade.
3 of 53 of 5 Items
Question
Use the table to answer the question.
Number of Text Messages
0–200 201–500 Over 500
Age 12–15 24 47 78
16–19 20 35 97
20–23 55 67 177
Given the data in the table about the number of text messages per day, what is the relative frequency of the people age 12–15 who had over 500 messages? Round the percentage to the nearest tenth.
(1 point)
%
To find the relative frequency of people age 12-15 who had over 500 messages, we need to divide the number of people in that category by the total number of people in that age group:
Relative frequency = 78 / (24 + 47 + 78) = 78 / 149 = 0.5235
Converting this to a percentage, we get 52.4%.