The best time to close the pool is the evening from 4 to 7 pm.
This is called the taking of average among all possible samples.
What is problem-solving?
- Problem-solving is the act of defining a problem; figuring out the purpose of the trouble; identifying, prioritizing, and selecting alternatives for an answer; and imposing an answer.
- Problem-solving starts with identifying the issue. As an example, a trainer may need to parent out a way to improve a scholar's overall performance on a writing talent test. To do that, the instructor will overview the writing exams looking for regions for improvement.
This can also be solved using mean, mode or median is data is given.
Learn more about mean here:-https://brainly.com/question/1136789
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