Answer the following questions about the peanut
butter boxandwhisker plots. 
Enter answers to each question in the left column followed by
pressing tab 
Graded Response 
a) 50% of the natural brand peanut butter
achieved at least what rating ? 
a)


b) What is the minimum rating of regular
brand peanut butter ? 
b)


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

