Relative Frequency

How many total people were surveyed about what ice cream flavor they would pick?

• 107

• 92

• 70

• 269

A survey explored the relationship between gender and band class. Which is a reasonable conclusion?

• There are more band members than non-band members

• There are more boys in the class than girls

• There are more boys in band than not in band

• More than half of the bands members in the class are girls

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.

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

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. Erika wants to know the relative frequency of participants who eat fast food 3 or more times a week. Which ratio should she use to calculate her percentage?

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%