Question
According to the table, find the relative frequency of students ages 10 - 13 who eat breakfast.
- About 33%
- About 50%
- About 40%
- About 44%
Hint:
Data is a collection of information, which can be presented in many forms. One of them is tabular form in which data can be analysed and it helps to understand the data. Here, we have to find the percentage/ relative frequency using the data given in the table.
The correct answer is: About 44%
In the question there is a table using which we have to find the relative frequency of students of ages 10-13 who eat breakfast.
According to the table given in the question,
Total number of students= 90
Number of students of ages 10-13 who eat breakfast= 40
Relative frequency=
Here, the frequency=40
Sum of all frequencies=90
Relative frequency= 
Percentage= 
=
=44.44%
So, the relative frequency is about 44%.
Therefore, the correct option is d, i.e., about 44%.
Relative frequency represents the number of times an event has occurred. It can be determined using the formula 
.
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