Question: A random sample of size n = 26, taken from a normal population with a standard deviation = 4.9, has a mean = 78.
A random sample of size n = 26, taken from a normal population with a standard deviation σ = 4.9, has a mean =
78. A second random sample of size n = 38, taken from a different normal population with a standard deviation σ = 3.2, has a mean = 74. Test the hypothesis that μ = μ against the alternative, μ ≠ μ . Quote a P-value in your conclusion.
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