Interpreting Pie Charts

Here is a pie chart of the radio station format data. What percent of the graph does the “Country” slice make up? Justify your answer.

Format Count of stations

Adult contemporary 2,536

All sports 1,274

Contemporary hits 1,012

Country 2,893

News/talk/information 4,077

Oldies 831

Religious 3,884

Rock 1,636

Spanish language 878

Variety 1,579

Other formats 4,852

• 2893/25452 = 0.114 or 11.4%

• 25452/2893 = 8.798 or 8.798%

• It is 11%.

• Can't find the percent.

Here is a pie chart of the radio station format data. How many stations of the 25452 stations surveyed are "Rock" stations if it 6.43% of the stations?

• 1,636 stations

• 1635 stations

• 163,656 stations

• Can't find it

Tags

CCSS.6.RP.A.3C

Here is a pie chart of the 79,421 birthday data.

Day Births

Sunday 7,374

Monday 11,704

Tuesday 13,169

Wednesday 13,038

Thursday 13,013

Friday 12,664

Saturday 8,459

What percent of the graph does the "Friday" slice make-up? Justify your answer.

• 12664/79421 = 0.159 or 15.9%

• 79421/12664 = 6.271 or 6.271%

• It is 16%

• Can't find the percent.

200 people were surveyed about their favourite ice cream. How many chose Kesar Pista? 

• 30 people
• 60 people
• 38 people
• None of these

Tags

CCSS.7.RP.A.3