Principles of Data Science by 2016

Author:2016
Language: eng
Format: mobi, epub
Publisher: Packt Publishing

Conducting a hypothesis test

There are multiple types of hypothesis tests out there, and among them are dozens of different procedures and metrics. Nonetheless, there are five basic steps that most hypothesis tests follow, which are as follows:

Specify the hypotheses:Here, we formulate our two hypotheses: the null and the alternative

We usually use the notation of H0 to represent the null hypothesis and Ha to represent our alternative hypothesis

Determine the sample size for the test sample:This calculation depends on the chosen test. Usually, we have to determine a proper sample size in order to utilize theorems, such as the central limit theorem, and assume the normality of data.

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