Answer:
Mean of the Population or The claimed population mean 'μ' = 5.5 hrs.
Mean of the sample 'x⁻' = 6.25 hours
Step-by-step explanation:
<u><em>Explanation</em></u>:-
Given data A recent article in a college newspaper stated that college students get an average of 5.5 hrs. of sleep each night
Discuss about total college students so
<em>Mean of the Population 'μ' = 5.5 hrs.</em>
Given random sample size 'n =25
Given data the sampled students slept 6.25 hours per night
<em>mean of the sample 'x⁻' = 6.25 hours</em>