Order Size and Shipping Cost (n = 12)

(a) Use Excel's Data Analysis > Regression (or MegaStat or MINITAB) to obtain regression estimates.
(b) Interpret the 95 percent confidence interval for the slope. Does it contain zero?
(c) Interpret the t test for the slope and its p-value.
(d) Interpret the F statistic.
(e) Verify that the p-value for F is the same as for the slope's t statistic, and show that t2 = F.
(f) Describe the t of the regression.

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Orders 0X) Ship Cost (Y) 1,068 1,026 767 885 1,156 1,146 892 938 769 677 1,174 1,009 4,489 5,611 3,290 4,113 4,883 5,425 4,414 5,506 3,346 3,673 6,542 5,088