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Oscar T. Grady is the production manager for Citrus Groves Inc., located just north of Ocala, Florida. Oscar isconcerned that the last 3 years' late
Oscar T. Grady is the production manager for Citrus Groves Inc., located just north of Ocala, Florida. Oscar isconcerned that the last 3 years' late freezes have damaged the 2,500 orange trees that Citrus Groves owns. Inorder to determine the extent of damage to the trees, Oscar has sampled the number of oranges produced per treefor 42 trees and found that the average production was 525 oranges per tree with a standard deviation of 30oranges per tree.(a)Estimate the population standard deviation from the sample standard deviation.
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