dot plots
box plots
Interpreting Dot Plots
Interpreting Box Plots
100

Calculate the mean.

The mean is about 6.9

100

What is the median?

The median is 31

100

Compare the ranges. Who has the larger range and by how much?

Television has the larger range by 6 hours.

100

Who has the larger median, and by how much?

  Car B has the higher median by 5 inches.

200

Calculate the median.

The median is 2.

200

What is the range?

The range is 50

200

Who has the larger median and by how much?

Television has the higher median by 4 hours.

200

Who has the larger interquartile range (IQR) and by how much?

Both cars have an interquartile ranges of 25 inches.

300

Calculate the range.

The range is 0.07

300

What is the IQR?

The IQR is 7

300

Who has the larger mean, explain?

Television has the larger mean because 14.8 hours is larger than 11.7 hours.

300

Can you calculate the means?

No, a box plot does not display all the data needed to calculate the mean.