Create a histogram of the daily commute times find the most


The average time (in minutes) it takes citizens of 379 metropolitan areas to travel to work and back home each day.

a. Create a histogram of the daily commute times.

b. Find the most representative average daily commute time across this distribution.

c. Find a useful measure of the variability of these average commute times around the mean.

d. The empirical rule for standard deviations indicates that approximately 95% of these average travel times will fall between which two values? For this particular data set, is this empirical rule at least approximately correct?

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