mahmudabiazp3ekot
mahmudabiazp3ekot
19.10.2019 • 
Mathematics

The compressive strength of concrete is normally distributed with psi and psi. a random sample of n equals 4 specimens is collected. what is the standard error of the sample mean? round your final answer to three decimal places (e.g. 12.345). the standard error of the sample mean is

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