(Answered) A random sample ofnbsp20nbspadult male wolves from the

Statistics

A random sample of 20 adult male wolves from the Canadian Northwest Territories gave an average weight x₁ = 99 lb with estimated sample standard deviation s₁ = 6.3 lb. Another sample of 22 adult male wolves from Alaska gave an average weight x₂ = 91 lb with estimated sample standard deviation s₂ = 7.1 lb

What is the value of the sample test statistic? Compute the corresponding z or t value as appropriate. (Test the difference μ₁ - μ₂. Round your answer to three decimal places.)

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