A ski company in Vail owns two ski shops, one on the west sideand one on the east side of Vail. Ski hat sales data (in dollars)for a random sample of 5 Saturdays during the 2004 season showedthe following results. Is there a significant difference in salesdollars of hats between the west side and east side stores at the10 percent level of significance?
| Saturday Sales Data ($) for Ski Hats |
| Saturday | East SideShop | West SideShop |
| 1 | 572 | 590 |
| 2 | 440 | 784 |
| 3 | 613 | 624 |
| 4 | 550 | 530 |
| 5 | 459 | 570 |
(b) State the decision rule for a 5 percentlevel of significance. (Round your answers to 3 decimalplaces.)
Reject the null hypothesis if tcalc < ( ) ortcalc > ( ).
(c-1) Find the test statistictcalc. (Round your answer to 2 decimalplaces. A negative value should be indicated by a minussign.)
tcalc ( )
