Two-Way Frequency Tables

Two-Way Frequency Tables

How To Find Percents

Given a Two-Way Frequency Table

What percent of females agreed?

Determine the amount: 31 females agreed

Divide by total

31 + 15 = 46 females total

 $\frac{31\ females\ agreed}{45\ females\ total}$  

 $\frac{31}{46}=.67$  

Decimal to Percent

MOST THE DECIMAL RIGHT TWO PLACES!

.67 as a percent - 67%

Multiple Choice

According to the table, what is the relative frequency of students ages 10 - 13 who eat breakfast?

• About 33%
• About 50%
• About 40%
• About 44%

Multiple Choice

What is the relative frequency of people that purchased no food?

• 10%
• 60%
• 15%
• 30%

Multiple Choice

What percent of people who bought no food purchased water?

• 14.3%
• 33.3%
• 5%
• 41.1%

Multiple Choice

What percent of people who play an instrument do not play a team sport?

• 80%
• 27.2%
• 40%
• 90.1%

Multiple Choice

What percent of the total population surveyed were electrical engineers that like math?

• 33.9%
• 48.6%
• 16.5%
• 21.7%