Marketing has designed three different boxes. Marketing would like to determine if box sales differently by the store. Below is the given sales data.

	Store 1	Store 2	Store 3	Store 4	Store 5
Box 1	210	230	190	180	190
Box 2	195	170	200	190	193
Box 3	295	275	290	275	265

Determine which mean (if any) is different by store. Let = 0.10

Step 1: State the Hypothesis:

a) Select from Table 1 below, the best hypothesis that is needed for this problem: Answer abcd 2pts.

b) State the "null hypothesis" (H_o) ONLY: Answer There is no difference between storesThere is a difference between stores 2pts.