IGNOU MTE 11 2018 - Let X1 ,X2 ,...,Xn be a random sample from a normal population, N(.Obt

Question

Let X₁,X₂ ,...,X_n be a random sample from a normal population, N( $(\mu ,\sigma)$ .Obtain a (1- $\alpha$ ) level confidence interval for $\mu$ when $\sigma ^2$ is unknown.

14 Feb 2018

Answer :

Word Count : 176

To compute a confidence interval for the population mean $ \mu $ when the variance $ \sigma^2 $ is unknown, you can use the Student’s t-distribution. The formula for the confidence interval for $ \mu $ when

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