Critical values What critical value t* from Table B would you use for a confidence interval for
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Critical values What critical value t* from Table B would you use for a confidence interval for the population mean in each of the following situations?
(a) A 95% confidence interval based on n = 10 randomly selected observations
(b) A 99% confidence interval from an SRS of 20 observations
(c) A 90% confidence interval based on a random sample of 77 individuals
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