The southeast with software sold and the group with software sold

Grading Type: Numeric

Points Possible: 120

Assignment Description

Company W is testing a sales software. Its sales force of 500 people is divided into four regions: Northeast, Southeast, Central, and West. Each salesperson is expected to sell the same amount of products. During the last 3 months, only half of the sales 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, The Southeast with software sold 200 and the group with no software sold 125. The Central groups with software sold 175 and the group with no software sold 125. The West group with software sold 180 and the group with no software sold 130. Using this data calculate the Chi Square statistic.

The following are assumptions you might make in this assignment that might make the assignment more helpful and make the responses more uniform:

Continue to use the Widgecorp context. Assume the salespersons are test sales of snack foods or drinks.

What are the differences between statistical and practical significance? Is one a prerequisite for the other?

What arc the implications of low statistical power? How can the power be improved if it is deemed too low?