The data represent the time spent waiting in line (in minutes) for the Demon Roller Coaster for 100 randomly selected riders.
Retrieve the data 7_3_13 at www.pearsonhighered.com/sullivanstats using the file format of your choice for the text you are using.
(a) Draw a relative frequency histogram with lower class limit of the first class equal to 0 and
class width 20.
(b) Comment on the shape of the distribution.
(c)Draw a normal probability plot to assess the normality of the random variable "wait time."