Tran Herrera
01/17/2024 · Elementary School
Illustrative Exampie \# 4 A sample of 5 measurements, randomi, selected from approximately normally distributed population, with a mean of 4.6 and a standard deviation of 1.5. Test the null hypothesis against the alternative hypothesis \( \mu<6 \). Use \( \alpha=0.05 \).
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The calculated Z value is -2.09, which is less than the critical value of -1.645. Therefore, we reject the null hypothesis and conclude that there is sufficient evidence to suggest that the population mean is less than 6 at the 0.05 significance level.
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