please help with math

Question

mathmale · Answer

Hi, Trolley,

Great to see you back on OpenStudy!

It's straightforward reading off certain values from this nice boxplot illustration.

What's Q1?  Q3?

mathmale · Answer

I've obtained Q1=59.  Mind looking again and seeing whether you agree or disagree?

mathmale · Answer

And Q3 = ?

mathmale · Answer

How is the IQR defined?

mathmale · Answer

Please make up a list of important definitions and formulas for later review, study and application.

The IQR (nterquartile range) is IQR=Q3-Q1.  And yes, it's 8.  The median is sometimes referred to as Q2.

mathmale · Answer

Not sure what to make of the part of  your question dealing with "whiskers."  The given graph already shows the whiskers very nicely.  Am I msssing something?

mathmale · Answer

I enjoy discussing things in person, too, but must say that this OpenStudy is an awesome way to work together at problem solving.    Trolley, as much as I'd like to continue, I need to log off my computer now.  Hope to see you again soon!