In a survey, 500 adults in a certain country were asked how many hours they work

Question

In a survey, 500 adults in a certain country were asked how many hours they worked in the previous week. Based on the results, a 95% confidence interval for mean number of hours worked was lower bound 40.7 and supper bound 43.9. Which of the following represents a personable interpretation of the result? For those that are not reasonable, explain the flaw. a. Flawed. This interpretation make an implication about in individuals rather than the mean B. Flawed. This interpretation impels that the mean is only for last week. C. Correct D. Flowed. This interpretation impels that the population mean varies rather than the interval

Explanation / Answer

The purpose of a confidence interval is to estimate a population parameter based on a sample statistic.

Confidence interval - a range of values so defined that there is a specified probability that the value of a parameter lies within it.

Answer is C

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