Center Spread of Box Plot

What is the interquartile range for the Checkers Club?

• 4

• 5

• 10

• 11

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.

What is the IQR of the Cruisers?

• 4

• 6

The double box plot shows the number of minutes that patients had to wait in the waiting room in two different doctors’ offices. Which information supports the statement that Dr. Smith has greater variation in wait times?

• The interquartile range is the same for both populations.

• The range is larger for Dr. Newton than for Dr. Smith.

• The range is 35 and IQR is 15 for Dr. Smith, these are both larger than Dr. Smith's range and IQR.

• The range is the same for both populations.

The double box plot shows the number of cars that passed through two different intersections. Compare the centers and variations of the two populations. Which of the following inferences about the two populations is correct?

• The variation of Intersection A is 15.

• The variation of Intersection A is 10.

• The median of Intersection B is 80.

• The median of Intersection B is 70.

Which distribution has a larger Interquartile Range?

The center of the data is ​ (a)  

​ (b)   % of the players are taller than 79 inches.

• 79

• 50

• 80

• 75

• 85

• 90

Tags

6.13.A

Which data set has the smallest data value?

• Data Set A

• Data Set B

These two box plots show the number of books read by members of two local book clubs. Which Book Club has greater VARIATION in the number of books read?

• They are the same because they both have a median of 10 books read.

• They are the same because they both have a median of 15 books read.

• The IQR for the Book Worms is larger, showing greater variation..

• They are the same because they both have a median of 15 and a range of 30.