Comparing Data Sets Using Statistics

The bar graph shows the number of animals sold at a pet store in one week.
How many animals were sold?

• 225 animals 
• 265 animals
• 315 animals 
• 325 animals

What percent of the dogs and cats sold were cats? 

• 22%
• 45%
• 55%
• 70%

 In a club election, 200 votes were cast. The circle graph below shows the results. 
How many votes did Jo get? 

• 12 votes
• 23 votes
• 46 votes
• 69 votes

The dot plots compare the number of raffle tickets sold by boys and girls during a school fund-raiser. Which plot has an outlier? 

• Girls
• Boys
• Both Plots
• Neither

The dot plots compare the number of raffle tickets sold by boys and girls during a school fund-raiser. Which is skewed left?

• girls
• boys
• neither
• both

What is the difference between the medians for the two data sets? 

• 0 tickets
• 2 tickets
• 4 tickets
• 6 tickets

What is the difference in the interquartile ranges?

• 1
• 2
• 4
• 5

Which data set shows a greater spread?

• Chess Club
• Checkers Club
• They have the same spread.
• You cannot tell from the box plots. 

What is the total number of students who attend the 5 high schools? 

• 2,150
• 2,000
• 3,150
• 2,100

What percent of all the students attend the two schools with the fewest students? 

• 24.9%
• 34.9%
• 50%
• 20.5%