Question: A tailor said that every week on average he can make clothes as many as 18 pieces. A researcher conducted a survey of 48 of

A tailor said that every week on average he can make clothes as many as 18 pieces. A researcher conducted a survey of 48 of his customers to 2 test the tailor's words whether accepted or rejected. The results of the sample mean that obtained by 17 and the standard deviation of the sample is 4.5 and = 0.05. a. Calculate the statistical test! b. What is the p-value and what is the conclusion? c. What are the conclusions using critical values? d. What is the final conclusion?

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