Question

Express the null hypothesis and alternative hypothesis in notation form of the scenario “It is

believed that the mean yearly salary of professors in the Philippines is Php480,000.00. A

random sample of 65 professors revealed a mean salary of Php500,000.00 Can it be

concluded that the mean salary is greater than Php480,000.00?

Answer 1

The following null and alternative hypotheses need to be tested:

$H_0:\mu\le480000.00$

$H_a:\mu>480000.00$