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.)

MATLAB: An Introduction with Applications
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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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