Using IBM SPSS:

Problem:

A research group was conducted to examine the efficacy of three sales marketing strategy. Three groups were randomly assigned: Group 1 - MS1, Group 2 - MS2, and Group 3 - MS3. After four weeks, the sales on the use of the marketing strategies were recorded as follows:

Sales	Sales	Sales
MS1	MS2	MS3
60	110	90
100	180	200
110	250	150
80	300	190
120	280	260
150	320	170

Interpret the result and state your decision;