Average commute times (in minutes) to work at locations across Oregon are found online. With the variable “COMMUTING TO WORK - Mean travel time to work (minutes),” in the file “OregonAverage_Commute_Times,”
a) Draw a histogram. Interpret its shape.
b) Could the mean of the variable follow a normal distribution? Explain.
c) Filter the variable “COMMUTING TO WORK - Mean travel time to work (minutes)” by Region “2.” Draw the histogram of these commute times and interpret its shape.
d) Could the mean of the variable “COMMUTING TO WORK - Mean travel time to work (minutes)” for Region “2” follow a normal distribution? Explain.