KINDLY APPLY THESE STEPS ON THE EXAMPLE BELOW WITH ACCURATE EXPLANATION

( INDICATE PER STEPS WITH SOLUTION)

5 STEPS ON HYPOTHESIS TESTING

STEP 1: State the null and alternative hypothesis

STEP 2: Determine the decision criteria set the level of significance

STEP3: Calculate the test statistic

STEP 4: Calculate p-value

STEPS 5: Make a decision

EXAMPLE;

An organization reported that teenagers spent 4.5 hours per week, on average, on the phone. The organization thinks that currently, the mean is higher. Fifteen randomly chosen teenagers were asked how many hours per week they spend on the phone. The sample mean is 4.75 hours with sample standard duration of 2.0 conduct a hypothesis test.