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A fertilizer manufacturing company has claimed that each extra unit of its fertilizer would increase the fruit bearing capacity of an apricot tree by 2.63
A fertilizer manufacturing company has claimed that each extra unit of its fertilizer would increase the fruit bearing capacity of an apricot tree by 2.63 apricots. Wendy, an apricot farmer, wishes to test whether this increase in fruit bearing capacity is actually 2.68 apricots or not. She selects 1?5 trees at random from her orchard and uses this fertilizer on those trees and estimates the following regression: A Y:- : 450 + 3.14m, where 3"\"- denotes the predicted number of apricots obtained from the im tree and X,- denotes the number of units of fertilizer used on the rmI tree. If #0 and #1 denote the intercept coefficient and the slope coefcient, respectively, which of the following options states Wendy's null and alternative hypotheses? A. Ho:122.68 and H111 2.68. *3. HO: 5:1 2 2.68 and H1z1i2.68. (2. H0151 33.14 and H1z153.14. o. H0: 50: 3.14 and H1: so a 3.14. Suppose the standard error of the estimated slope is 0.?4. The tstatistic associated with the test Wendy wishes to conduct is D. (Round your answer to two decimai pfaoes. Entera minus sign if your answer is negative.)
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