Time to Upgrade?

A full data analysis

Comparison of bootstrap and norm distribution methods.

My friend Guy has been monitoring electricity consumption of his old refrigerator, and he wants to know if the refrigerator is still as efficient as it should be, or if it’s time to replace it.

Though the data set is small, it is real data and presents many of the challenges to a data scientist that any real data set will. Here I walk the reader through a complete analysis in R, step-by-step, from data entry to final recommendation.