Question

the mean age of bus drivers in chicago is 50.3 years. If a hypothesis test is performed, how should you interperet a decision that fails to reject the null hypothesis?

Answer 1

Answer with explanation:

The null hypothesis is a statement with describe the claim of 'no difference'.

Let $\mu$ be the population mean.

Given claim : The mean age of bus drivers in Chicago is 50.3 years.

i.e. $\mu=50.3$

Since the null hypothesis takes the statement having equal sign or " no difference with mean".

Then, the null hypothesis for the given situation is

$H_0:\mu=50.3$

If the test fails to reject the null hypothesis, it means there is evidence to support the claim that the the mean age of bus drivers in Chicago is 50.3 years.