Understanding Box and Dot Plots

What percentage of the data is between 90 and 140?

• 25 %

• 50%

• 75%

• 100%

• The median test score is 80.

• The lower quartile is 65.

• The upper quartile is 90.

• The IQR is 30.

What is the median?

• 3

• 8

• 10

• 15

What is the median?

• 62

• 58

• 66

• 60

What does the box in a box and whisker plot represent?

• The range of the data

• The interquartile range (IQR)

• The median

• The mean

Which of the following is NOT a component of a box and whisker plot?

• Median

• Mean

• Quartiles

• Whiskers

Given the data set: 3, 7, 8, 5, 12, 14, 21, 13, 18, 9, create a box and whisker plot. What is the median of the data set?

• 9

• 10

• 11

• 12

In a dot plot, what does each dot represent?

• The mean of the data

• A data point

• The median of the data

• The range of the data

How do you calculate the interquartile range (IQR) from a box and whisker plot?

• Subtract the minimum value from the maximum value

• Subtract the first quartile from the third quartile

• Subtract the median from the maximum value

• Subtract the mean from the median

Which of the following data sets would have a dot plot with the most dots clustered around a single value?

• 1, 2, 3, 4, 5

• 5, 5, 5, 5, 5

• 1, 3, 5, 7, 9

• 2, 4, 6, 8, 10