Shapes and Spread of Data

• the shapes of both plots are symmetrical
• the data spreads for both populations are the same
• Route 9 is skewed left
• Route 9 is skewed right

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

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

• 0 tickets

• 2 tickets

• 4 tickets

• 6 tickets

Which data set shows a greater spread?

• Chess Club

• Checkers Club

• They have the same spread.

• You cannot tell from the box plots. 

Find the medians.
Science: _________ Math: __________ 

•  science: 4.5 h; math: 3 h

•  science: 3 h; math: 4.5 h

•  science: 5 h; math: 5 h

•  science: 3.5 h; math: 4 h

Compare the centers and spreads. 

•  Math has a higher median (center) and a wider spread.

•  Math has a higher median (center) and a smaller spread.

• Math has a lower median (center) and a smaller spread.

• Math has a lower median (center) and a wider spread.

Which car club has the higher median?

• Cruisers

• Car Hops

Which statement correctly describes the shapes of the dot plots for cars and SUVs?

• SUVs: symmetrical
  Cars: skewed left

• Both are skewed left

• Both are symmetrical

• SUVs: skewed right
  Cars: Skewed left

Which box and whisker plot has the highest median?

• Top plot

• Bottom plot

7. What is Millersburg's Q3 value?

• 200

• 260

• 220

• 140