Question
According to the column relative frequency table, find the relative frequency of girls that have red hair.
- 40%
- 10%
- 5%
- 20%
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: 5%
In the question there is a table using which we have to find the relative frequency of girls that have red hair.
According to the table given in the question,
Total number of girls= 20
Number of girls who have red hair=1
Relative frequency= 
Here, the frequency=1
Sum of all frequencies=20
Relative frequency= 
Percentage= 
= 
=5%
So, the relative frequency is 5%.
Therefore, the correct option is c, i.e., 5%.
Relative frequency represents the number of times an event has occurred. It can be determined using the formula .
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