which of the following is not a valid criterion to use when evaluating a fitness center? a. free services b…

which of the following is not a valid criterion to use when evaluating a fitness center? a. free services b. supplement selection c. open hours d. health club demographics please select the best answer from the choices provided.
Answer
Brief Explanations:
Free services, supplement selection, and open hours are practical aspects for evaluating a fitness - center. Health club demographics are about the people using the club and are not a direct measure of the quality or usability of the fitness center itself.
Answer:
D. health club demographics