Prob Stats Final Review

What is the difference in medians of the two box plots?

• 3

• 4

• 5

• 2

Which statement is true about the interquartile range?

• Class 1 has and interquartile range of 4 which is greater than the interquartile range of Class 2.

• Class 1 has and interquartile range of 5 which is greater than the interquartile range of Class 2.

• Class 1 has an interquartile range of 4, and Class 2 has an interquartile range of 5.

• Class 1 and Class 2 have an interquartile range of 14.

How does the median number of miles driven for Driver A compare to the median number of miles driven for Driver B?

• Driver B drives much less than Driver A when comparing medians.

• The medians are the same

• Driver A drives much less than Driver B when comparing medians.

• Driver A and Driver B make the same amount of money.

What percent reported pepperoni as their favorite?

• 45%

• 43.75%

• 50%

• 35%

Estimate the correlation coefficient for this scatterplot.

• r = 1.2

• r = 0.89

• r = 0

• r = -0.89

How many MORE people like Owls than Dogs?

• 10

• 6

• 1

• 3

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.

What is the shape of the data?

• symmetrical

• skewed left

• skewed right

• bell curve

What is the shape of the data?

• symmetrical

• skewed left

• skewed right

• bell curve

Describe the shape of the graph.

• Symmetrical

• Skewed

• Uniform