Statistics Semester Review

What is the range for this data set? Remember to subtract the minimum value from the maximum value.

• 10

• 15

• 25

• 30

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

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 interval shows the greatest number of pets?

• 15-19

• 0-4

• 5-9

• 10-14

What is the interquartile range?

• 4

• 6

• 2

• 8

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number

• Add the two numbers in the middle & then divide by two.

• They are both the median

• None of the above

Which of the following best describes the process of finding the interquartile range for a set of data?

• Add the biggest and smallest numbers.

• Place the numbers in order from least to greatest and find the middle.

• Find the difference between the maximum and the minimum.

• Subtract Q1 from Q3.

Which of the following lists all the five numbers needed to make a box plot?

• Mean, Median, Mode, Range, and Total

• Minimum, Quartile 1, Median, Quartile 3, and Maximum

• Smallest, Q1, Q2, Q3, and Q4

• Minimum, Maximum, Range, Mean, and Median

Find the median of these numbers:

2, 5, 4, 3, 7, 5, 5,

• 4

• 5

• 3

• 6

Which car club has the higher median?

• Cruisers

• Car Hops