Measures of Central Tendency, Dot Plots and Box Plots

What is the median?

• 62

• 58

• 66

• 60

What is the interquartile range (IQR)?

• 4

• 64

• 60

• 8

What is the interquartile range (IQR)?

• 20

• 25

• 30

• 50

Find the Median

• 98

• 93

• 78

• 85

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 parts of the five number summary?

• 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

50% of the Car Hops went to 11 or fewer car shows.  True or False?

• True

• False

75% of the Cruisers went to more than 13 car shows.  True or False?

• True

• False

What percentage of the data is between 90 and 140?

• 25 %

• 50%

• 75%

• 100%

Which car club has the higher median?

• Cruisers

• Car Hops