Brief Summary

Venn Diagrams

Venn diagrams are a useful way of showing a population and the relative influence of characteristics, by set analysis.

Paired Comparisons

In certain situations, a number of options may be open to the business manager, all of which serve the ultimate purpose and would benefit the company, but only one can be chosen.

Control Chart

As the name suggests, a control chart is a graphical method of representing and evaluating whether a process is under control.

Sales Analysis by Rule of Thumb Regression

When analysing account sales, we all know the problem: if we plot the actual sales levels they can sometimes scatter over a graph, thus making it difficult to spot any trends.   What we want to identify is the sales trend, but we haven’t got time for an in-depth statistical analysis. What can be done in just fifteen minutes?

Screening Techniques

Screening techniques are designed to examine new ideas (new products, new customers, new price proposals etc.) at an early stage before detailed research and financial investment are undertaken.