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8.3 Assignment 61. pg 530 Critical values What critical value from Table B should be used for a confidence interval for the population mean

8.3 Assignment 61. pg 530 Critical values What critical value " from Table B should be used 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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