Mathematics
Mathematics, 05.11.2020 19:10, austinmiller3030

An independent random sample is selected from an approximately normal population with unknown standard deviation. Find the degrees of freedom and the critical t value tâtâ for the given sample size and confidence level. Sample size, n Confidence level Degree of Freedom Critical value, tâtâ
5 90
13 95
22 98
15 99

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