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12. Another biologist working at the same fish hatchery thought the results found in problem #26 was high. She surveyed 18 rainbow trout and found
12. Another biologist working at the same fish hatchery thought the results found in problem #26 was high. She surveyed 18 rainbow trout and found a standard deviation of 3.7 ounces. At a = .05 is there sufficient evidence to support the biologists claim that standard deviation of fish weights is less than 4.5 ounces? HO : H1 : Critical Value: Test Value: Conclusion
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