company w is testing a sales software.its sale force of 500 people is divide into four region. northeast, southeast, central and west.each sales person is except to sell same amount of produces.during the last 3 months only half of the sale representatives in each region were given the software program to help them manage their contacts.the northeast using the software sold 165 and the group with no software sold 100 and the southeast with software sold 200 and the group with no soft ware sold 125 and the central group with software sold 175 and the group with no software sold 125 and the west group with software sold 180 and the group with no software sold 130. using the this data calculated the chi square statistic. the vp of sales at widge corp who is comfortable with statistics want to know the possible null and alternative hypotheses for non parametric test on this data using the chi square distribution. a non parametric test is used on data that are qualitative or categorical, such as genders, age group religion and color region.it is used when it does not make sense to look at the mean of such variable. 500 to 1000 words
