Relative Frequency

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

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.

What is the relative frequency of participants who drive to work?

• 87%

• 50%

• 61%

• 55%

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 0-2 times per week

• 100%

• 47%

• 63%

• 37%

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%

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. Does there seem to be a relationship between how often someone eats fast food in a week and how the person gets to work each day? Explain.

• Yes; people who drive to work seem MORE likely to eat fast food 3 or more times a week than those who use public transportation.

• No, people who drive to work seem LESS likely to eat fast food 3 more times a week than those who use public transportation.