Relative Frequency

Erika wanted to see if there was a relationship between how often someone eats fast food in a week and how the person gets to work each day. She conducted a survey where participants answered how often they eat fast food as well as whether they drive to work or use public transportation. Of the people who drive to work, find the relative frequency of those who eat fast food 3 or more times/week

• 66%

• 23%

• 34%

• 78%

Erika wanted to see if there was a relationship between how often someone eats fast food in a week and how the person gets to work each day. She conducted a survey where participants answered how often they eat fast food as well as whether they drive to work or use public transportation. Of the people who use public transportation, find the relative frequency of those who eat fast food 3 or more times per week

• 0%

• 75%

• 63%

• 37%

Students in a middle school were asked about their favorite movie genre. The results are organized in the two-way table.

What is the relative frequency of people whose favorite movie genre is action.

• 48%

• 51%

• 26%

• 23%

• 28%

What is the relative frequency of female students?

• 48%

• 51%

• 26%

• 23%

• 28%

Students in a middle school were asked about their favorite movie genre. The results are organized in the two-way table.

Of the males students, the relative frequency of those whose favorite movie genre is science fiction?

• 48%

• 51%

• 26%

• 23%

• 28%

Students in a middle school were asked about their favorite movie genre. The results are organized in the two-way table.

The relative frequency of students whose favorite movie genre is drama?

• 48%

• 51%

• 26%

• 23%

• 28%

Students in a middle school were asked about their favorite movie genre. The results are organized in the two-way table.

Of the students whose favorite movie genre is comedy, the relative frequency of female students?

• 48%

• 51%

• 26%

• 23%

• 28%

​ (a)   is the number of times that something occurs.

• Frequency

• Relative Frequency

• Percentage

​ (a)   tells us the number of times something occurs compared to the ​ (b)  

• Relative Frequency

• total

• Frequency

• percentage

• column

• row

To calculate the relative frequency, what ratio do you set up?