We use the t distribution to construct a confidence interval for the population

Question

We use the t distribution to construct a confidence interval for the population mean when the underlying population standard deviation is not known. Under the assumption that the population is normally distributed, find t2,df for the following scenarios. Use Table 2. (Round your answers to 3 decimal places.)

We use the t distribution to construct a confidence interval for the population mean when the underlying population standard deviation is not known. Under the assumption that the population is normally distributed, find t2,df for the following scenarios. Use Table 2. (Round your answers to 3 decimal places.)

Explanation / Answer

CI n Df Alpha/2 t 95% 22 21 0.025 2.080 99% 22 21 0.005 2.831 95% 14 13 0.025 2.160 99% 14 13 0.005 3.012

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