# Question: 5 suppose we obtained data on vein size after application...

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5. Suppose we obtained data on vein size after application of a nitroglycerin ointment in a sample of 60 patients. The mean vein size is found to be 8.4mm with an SD of 1.8. Using a t distribution table, what are the confidence limits for a 95% confidence interval? For a 99% confidence interval?