Relative Frequency

Front

What is relative frequency?

Back

Relative frequency is the ratio of the number of times an event occurs to the total number of trials or observations. It is often expressed as a percentage.

Front

How do you calculate relative frequency?

Back

Relative frequency = (Number of favorable outcomes) / (Total number of outcomes) * 100%.

Front

What is the relative frequency of an event that occurs 8 times out of 100 trials?

Back

Relative frequency = (8/100) * 100% = 8%.

Front

If 15 out of 50 students prefer chocolate ice cream, what is the relative frequency of students who prefer chocolate?

Back

Relative frequency = (15/50) * 100% = 30%.

Front

What does a relative frequency of 50% indicate?

Back

A relative frequency of 50% indicates that the event occurs in half of the trials or observations.

Front

How can relative frequency be used in surveys?

Back

Relative frequency can help determine the proportion of respondents who favor a particular option, providing insights into preferences.

Front

What is the total number of people surveyed if 44% prefer vanilla ice cream and 88 people prefer it?

Back

Total surveyed = 88 / 0.44 = 200 people.

Front

What is the relative frequency of males who prefer SUVs if 8.8% of 77 males prefer them?

Back

Relative frequency = (8.8/100) * 77 = 6.776 males.

Front

If 11 out of 50 sophomores like burritos and pizza, what is the relative frequency?

Back

Relative frequency = (11/50) * 100% = 22%.

Front

What is the significance of relative frequency in statistics?

Back

Relative frequency provides a way to understand the likelihood of an event occurring based on empirical data.