c. The estimated standard deviation of 0 1x 2x2 when x 2.5
Chapter 13, Problem 13.30(choose chapter or problem)
c. The estimated standard deviation of 0 1x 2x2 when x 2.5 is 53.5. Test H0: Y2.5 1500 versus Ha: Y2.5 1500 using .01. d. Obtain a 95% PI for wheat yield when the water supply index is 2.5 by using the information given in part (c).
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