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Q1) Sample of 40 golfers illustrated that their average score on the particular golf course was 94 with standard deviation of 6.
i) Determine the 99% confidence interval of mean score for all 40 golfers.
ii) Determine the 99% confidence interval of mean score for all golfers if this is sample of 70 golfers instead of a sample of 40.
iii) Which confidence interval is smaller and explain why?
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