Prob and Stats Exam Review

Which class did better on the Algebra test?

• Class 1
• Class 2
• Not enough information
• Can't tell

_______ is a part of a group being surveyed.

• Sample
• Population
• Random Sample
• Quartile

How many more people 19 and under are in the French club than the Spanish club?

• 1
• 3
• 2
• 4

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

Which data set shows a greater spread?

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

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.

Is the Cars dot plot skewed left or right?

• left
• right

What is the IQR of the Cruisers?

• 4
• 6

7. What is Millersburg's Q3 value?

• 200
• 260
• 220
• 140

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