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With reference to Exercise 77, test the null hypothesis β2 = 10.0 against the alternative hypothesis β2 10.0 at the 0.05 level of significance.
Exercise 77
The following are sample data provided by a moving company on the weights of six shipments, the distances they were moved, and the damage that was incurred:
(a) Assuming that the regression is linear, estimate β0, β1, and β2.
(b) Use the results of part (a) to estimate the damage when a shipment weighing 2,400 pounds is moved 1,200 miles.
find the 95 confidence interval for estimating ?d based on these paired data and assuming normality. give your answers
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