2. Consider the following null and alternative hypothesis. Ho: μ = 120 versus Ha: μ > 120 A random sample of 81 observations taken from this population produced a sample mean of 123.5 and a sample standard deviation of 15. If this test is made at 2.5 % significance level, would you reject the null hypothesis?

MATLAB: An Introduction with Applications
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2. Consider the following null and alternative hypothesis.
H :μ = 120
versus
Ha:μ > 120
A random sample of 81 observations taken from this population produced a sample mean of 123.5 and a
sample standard deviation of 15. If this test is made at 2.5 % significance level, would you reject the null
hypothesis?
Transcribed Image Text:2. Consider the following null and alternative hypothesis. H :μ = 120 versus Ha:μ > 120 A random sample of 81 observations taken from this population produced a sample mean of 123.5 and a sample standard deviation of 15. If this test is made at 2.5 % significance level, would you reject the null hypothesis?
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