Company XYZ is testing a sales software. Their Salesforce of 400 people is alienated into four regions- Northeast, Southeast, Central and West. Each sales person is predictable to sell the same amount of products. Throughout the last 6 months only half of the sales legislatures in each region were given the software program to assistance them manage their contacts.
The VP of Sales at WidgeCorp who is relaxed with statistics, needs to know the possible null as well as alternative hypotheses for a non-parametric test on this data using the chi-square distribution. A non-parametric test is utilized on data that is qualitative or categorical such as gender, age group, region and colour. It is used when it doesn't make wisdom to look at the mean of such variables.