Mathematics, 03.12.2021 17:00 briannaleiigh
A random sample of 93 individuals shows an average income of $54,854 per year. We know from previous research that the standard deviation for income is 23,311. I hypothesize that the true population mean for income is $50,604 per year. What is the z-statistic for this hypothesis
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A random sample of 93 individuals shows an average income of $54,854 per year. We know from previous...
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