Question: You are constructing a 95% confidence interval for u using the results from a sample of 43 randomly selected observations. You do not know

You are constructing a 95% confidence interval for "u using the results

You are constructing a 95% confidence interval for "u using the results from a sample of 43 randomly selected observations. You do not know the population standard deviation. How many degrees of freedom are associated with the critical value of the t distribution you use?

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