Q38Section I (Objective (Q1–Q80))38 of 80

Statistical Inference — distribution of the standardized sample mean

Let $x_1, x_2, x_3, ..., x_n$ be a random sample from a Normal population with mean $\mu_0$ and variance $\sigma^{2}$ . If $\bar{X}$ is the sample mean, then the distribution of $\frac{\bar{X}-\mu_0}{(\sigma/\sqrt{n})}$ is:

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