[Solution Library] A sample of 84 golfers showed that their average score on a particular golf course was 87.79 with a standard deviation of 4.52. Answer
Question: A sample of 84 golfers showed that their average score on a particular golf course was 87.79 with a standard deviation of 4.52. Answer each of the following (show all work and state the final answer to at least two decimal places.):
- Find the 98% confidence interval of the mean score for all 84 golfers.
- Find the 98% confidence interval of the mean score for all golfers if this is a sample of 130 golfers instead of a sample of 84.
- Which confidence interval is smaller and why?(P0km3:6)
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