Find Shortest Commute Time

I need to measure minutes to and from work versus the time of day I leave. The objective is to find the time of the day that takes the least amount of time to get to work from the data given.

I would like the results to include a bell curve if possible. What would be the best form of measure: linear regression or null hypothesis. Discuss confidence intervals usefulness based on the number of data points.

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Solution Summary

The solution presents an analysis of the data to answer the question "What departure time has the shortest average commute time?"