6.2 Exit Ticket - Box and Whisker Plots

What is maximum number of weeks spent during a course of treatment?

What is the range?

What is the upper quartile (Q₃)?

What is the Interquartile Range?

What is the median?

There are more patients who spent between 4 and 22 weeks than patients who spent between 22 and 38 weeks.

Dr. Buckley interprets this box-and-whisker diagram and claims that the percentage of patients spending less than 13 weeks during a treatment is less than the percentage of those who spend more than 25 weeks.

State whether Dr. Buckley's interpretation is correct. Justify your answer.