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1 1. A biologist surveyed 22 rainbow trout that were of the same age at a local fish hatchery and found a standard deviation of

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1 1. A biologist surveyed 22 rainbow trout that were of the same age at a local fish hatchery and found a standard deviation of 4.5 ounces in their weight. Please find a 90% Confidence Interval for the true variance and standard deviation for fish in this hatchery

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