The first one comprises all functions with source code programed in python, some of which depend on the numpy, scipy and random python packages. On the other hand, the module uts contains functions ...

Which normal density curve best approximates the sample histogram? The answer suggested here is the normal curve that minimizes the integrated squared deviation between the histogram and the normal ...

Frequency density A histogram is drawn like a bar chart, but often has bars of unequal width. It is the area of the bar that tells us the frequency in a histogram, not its height.