Relative Frequency Tables

Front

What is a relative frequency table?

Back

A relative frequency table displays the proportion of each category in relation to the total number of observations, often expressed as a percentage.

Front

How do you calculate relative frequency?

Back

Relative frequency is calculated by dividing the frequency of a specific category by the total number of observations.

Front

What does a percentage represent in a relative frequency table?

Back

A percentage in a relative frequency table represents the relative frequency of a category expressed as a fraction of 100.

Front

If 48 out of 100 students skip breakfast, what is the relative frequency?

Back

The relative frequency is 48%.

Front

What is the importance of understanding relative frequency?

Back

Understanding relative frequency helps in interpreting data and making informed decisions based on proportions rather than absolute numbers.

Front

How can relative frequency be used to compare groups?

Back

Relative frequency allows for comparison between groups by showing the proportion of each group that falls into a specific category.

Front

What is the formula for calculating the percentage of a subgroup?

Back

Percentage of a subgroup = (Number in subgroup / Total number) x 100.

Front

In a survey, if 60% of students aged 14-17 skip breakfast, how many students would skip breakfast if there are 50 students in that age group?

Back

30 students would skip breakfast (60% of 50).

Front

What does it mean if a relative frequency is 0.24?

Back

It means that 24% of the total observations fall into that specific category.

Front

How do you interpret a relative frequency of 38% for boys who prefer cherry pie?

Back

It indicates that 38% of the students who prefer cherry pie are boys.