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You collect a small sample of 20 fund returns, which turns out to have a sample mean of 7 % and a sample standard deviation
You collect a small sample of 20 fund returns, which turns out to have a sample mean of 7 % and a sample standard deviation of 6 %. Assuming fund returns are normally distributed, what is the lower bound of the 95% confidence interval for fund returns?
The answer should be 4.19. You can use Excel to solve, just show the formulas that were used.
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