Answer the following questions about quartiles using
the box and whisker plots above.

Enter each answer and press tab
to check

Graded Response 
a) The median is the same as what quartile?

a)


b) Estimate the third quartile for the natural brand
peanut butter ratings.

b)


c) What is the interquartile range
of regular brand peanut butter (the difference between
the 25th and 75th percentiles) ? 
c)

