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A sample of 84 golfers showed that their average score on a particular golf course was 89.05 with a standard deviation of 3.47.
Answer each of the following
and state the final answer to at least two decimal places.):
(A) Find the 98% confidence interval of the mean score for all 84 golfers.
(B) Find the 98% confidence interval of the mean score for all golfers if this is a sample of 115 golfers instead of a sample of 84.
(C) Which confidence interval is smaller and why?#problem..

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9104070

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