A ski company in Vail owns two ski shops, one on the west side and one on the east side of Vail. Ski hat sales data (in dollars) for a random sample of 5 Saturdays during the 2004 season showed the following results. Is there a significant difference in sales dollars of hats between the west side and east side stores at the 10 percent level of significance?

Saturday Sales Data ($) for Ski HatsSaturdayEast Side ShopWest Side Shop15025132413739363969445095145464564

Click here for the Excel Data File

1. (a)Choose the appropriate hypotheses. Assume_dis the difference in average sales between the east side and west side stores.H₀:_d= 0 versusH₁:_d 0.
2. H₀:_d 0 versusH₁:_d= 0.

multiple choice 1

• a
• b

(b)State the decision rule for a 5 percent level of significance.(Round your answers to 3 decimal places.)

Reject the null hypothesis ift_calct_calc>.

(c-1)Find the test statistict_calc.(Round your answer to 2 decimal places. A negative value should be indicated by a minus sign.)

t_calc

(c-2)What is your conclusion?

We

(Click to select)

cannot

can

conclude that there is a significant difference in sales dollars of hats between the west side and east side stores.