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For a random sample of size 10 from a normal population, the mean is 12.1 and the standard deviation is 3.2. Is it reasonable to suppose that the population mean is 14.5 ? Test at 5% significance level. (Clearly state the null and alternative hypotheses And assumptions.)

For a random sample of size 10 from a normal population, the mean is 12.1 and the standard deviation is 3.2. Is it reasonable to suppose that the population mean is 14.5 ? Test at 5% significance level. (Clearly state the null and alternative hypotheses And assumptions.)

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.2: Expected Value And Variance Of Continuous Random Variables
Problem 10E
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For a random sample of size 10 from a normal population, the mean is 12.1 and the standard deviation is 3.2. Is t reasonable to suppose that the population mean is 14.5 ? Test at 5% significance level. (Clearly state the null and alternative hypotheses And assumptions.)
Transcribed Image Text:For a random sample of size 10 from a normal population, the mean is 12.1 and the standard deviation is 3.2. Is t reasonable to suppose that the population mean is 14.5 ? Test at 5% significance level. (Clearly state the null and alternative hypotheses And assumptions.)
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