A. B. C. Set up the null and alternative hypotheses for the test. Perform the test using a=0.05. Make sure to Find the rejection region for the test Compute the test statistic Give the appropriate conclusion for the test Find the p-value of the test (or the range for it) If in fact the true mean annual starting salary is $75k, which type of error is made, if any?

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Chapter1: Starting With Matlab
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4. Please provide a step by step solution. No excel or minitab answers and explanations please. thanks

4. It says that in the year 2010 the average starting salary of MBA
graduates who sent into nonprofit and government work was at least $73k
per year. To check on the claim, a researcher randomly samples 81 MBA
graduates who went into nonprofit and government work in year 2010 and
recorded their annual starting salaries, yielding a mean of $70k and a
standard deviation of $12k.
A.
B.
C.
Set up the null and alternative hypotheses for the test.
Perform the test using a=0.05. Make sure to
Find the rejection region for the test
Compute the test statistic
Give the appropriate conclusion for the test
Find the p-value of the test (or the range for it)
If in fact the true mean annual starting salary is $75k, which type
of error is made, if any?
Transcribed Image Text:4. It says that in the year 2010 the average starting salary of MBA graduates who sent into nonprofit and government work was at least $73k per year. To check on the claim, a researcher randomly samples 81 MBA graduates who went into nonprofit and government work in year 2010 and recorded their annual starting salaries, yielding a mean of $70k and a standard deviation of $12k. A. B. C. Set up the null and alternative hypotheses for the test. Perform the test using a=0.05. Make sure to Find the rejection region for the test Compute the test statistic Give the appropriate conclusion for the test Find the p-value of the test (or the range for it) If in fact the true mean annual starting salary is $75k, which type of error is made, if any?
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