Histograms can be a useful analysis tool for businesses, especially those that deal in products or services sold or bought in multiple quantities. With a histogram, you can analyze product or service ...

In an earlier article, an intuitively appealing method for estimating the number of true null hypotheses in a multiple test situation was proposed. That article presented an iterative algorithm that ...

Graphs are a useful way to show numerical data. There are a variety of graphs that can help highlight patterns and be used to reach conclusions. Choosing the right graph is very important. Bar charts ...