Interpret Two-Way Relative Frequency Tables

When a two-way table displays percentages or ratios called

• relative frequencies

• frequencies

• relative

What is the relative frequency of students who dont like baking?

• 167/353=47.30%

• 186/353=52.7%

• 182/353=51.56%

relative frequencies may be displayed as

• 
• 
• 
• 
• 

• 182

• 170

• 113

What is the relative frequency for selecting a teen given that the person likes chocolate?

• .112

• .267

• .164

• .056

Given that a person likes chocolate ice cream, what is the relative frequency that they are a teenager?

• .112

• .267

• .164

• .056

Match the following to it's description based on the two way frequency table.

• 142

• Drums or Bass

• 160

• 6th or 7th grade

• 125

• Drums and 6th grade

• 11

• ~drums

• 90

• ~ (6th grade playing guitar)

Match the following with it's total based on the two way frequency table.

• 40

• 6th grade drum players

• 102

• Guitar or Bass players

• 11

• Total 7th grade keyboard players

• 13

• Total keyboard players

• 12

• 8th grade guitar players

All 8th grade students were asked two YES or NO questions. Have you ridden on a city bus? Yes/No Have you ridden in a taxi? Yes/No The same students responded to both questions. Complete the two way frequency table. HINT: EVERYTHING NEEDS TO ADD UP HORIZONTALLY AND VERTICALLY.

a

b

c

d

105

120

275

400

All 8th grade students were asked two YES or NO questions. Have you ridden on a city bus? Yes/No Have you ridden in a taxi? Yes/No The same students responded to both questions. Complete the two way frequency table. HINT: EVERYTHING NEEDS TO ADD UP HORIZONTALLY AND VERTICALLY.

a

b

c

d

400

120

105

275