Question: The file S02 06 xlsx lists the average time in minutes it

The file S02_06.xlsx lists 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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  • CreatedApril 01, 2015
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