Reference no: EM132372689

Consider the following data set. You observe the previous eBay sales for Apple Watch, Series 1, 38 mm Pink Face and sales for the Apple Watch, Series 1, 38 mm Blue Face. The Pink Face sales are: $152.50, $140, $175, $127, $151.50, $185, $134.50, $167.50, $144.99, $100, $175.50, $149.99, and $188.00. The Blue Face sales are: $119.95, $104.95, $126, $140, $170, $169.95, $112.50, $150, $180, $136.50, $135, $140, and $157.50.

(a) Construct differences in prices between the watches as a separate column.

(b) Construct a paired test statistic and test a two-sided hypothesis at the 95 percent level (a=.05)

(c) Indicate whether or not you reject the null