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Please help Find the critical value t for the following situations. a) a 90% confidence interval based on df = 12. b) a 95% confidence

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Find the critical value t for the following situations. a) a 90% confidence interval based on df = 12. b) a 95% confidence interval based on df = 78 Click the icon to view the t-table. a) What is the critical value of t for a 90% confidence interval with df = 12? (Round to two decimal places as needed.)

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