A company makes stationary items, has decided to diversify into photocopying paper making. In order to test market the product, it divided the city into three regions - North, South and Central. Four sales persons were chosen to do the test marketing. The sales figures (Rs '000) are given below - region and sales person wise. Write the relevant hypotheses for the problem and test if there is significant difference in performance of the sales person as well as the regions. S1 S2 S4 North Central South 24 22 23 30 32 28 S3 26 27 27 23 25 19