(Answered) Question a study of 35 golfers showed that their average

Statistics

Question: A study of 35 golfers showed that their average score was 92. The standard deviation of the sample was 5.

a) Find the best point estimate of the mean.

b) Find the 95% confidence interval of the mean score for all golfers.

c) Find the 95% confidence interval of the mean score if the sample of 60 golfers is used.

d) Which interval is smaller? Explain why.

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