The shape of a histogram can tell us some key points about the distribution of the data used to create it. It can tell us the relationship between the mean and the median, and also allow us to ...

A cumulative distribution function gives the proportion of the data less than each possible value. A density function is the derivative of the cumulative distribution function. Density estimation is ...

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 ...