Cooper Calderon

SAT

5 February, 10:14

The Marketing Manager of Zanga Zanga Enterprise claims that the performance of sales team in Lusaka and Choma is the same. She collected sales achieved in three products in Lusaka and Choma. The following are the sales gathered:

A

B

C

Lusaka

30

45

55

Choma

35

30

65

Is there sufficient evidence to justify the Marketing Manager's claim at level of significance of 1%?