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Mathematics, 25.11.2021 07:10 jayrichesz80Jahree

A certain type of oak tree has a mean growth of 14.3 inches in 4 years. A forestry biologist believes that a new variety will have a different mean growth during this same length of time. A sample of 16 trees of this new variety are studied. If it is found that the mean growth is 15.4 inches with a sample standard deviation of 1.8 inches. Is the biologist correct

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