Equal variance

Chapter 10 - Comparing two means and two proportions. After mastering the material in this chapter, you will be able to: Compare two population means when the samples are independent, recognize when data come from independent samples and when they are paired, compare two population means when the data are paired, compare two population proportions using large independent samples.

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Given the observation vector , perform a mapping from to an estimate of the transmitted symbol, , such that the average probability of error in the decision is minimized.Signal vector is deterministic. Elements of noise vector are i.i.d Gaussian random variables with zeromean and variance . The noise vector pdf is

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