SOC202H1 Lecture 6: Feb 13

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20 Feb 2017
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Step 1: decide on level of confidence and corresponding a. Step 2: our chosen a will determine the z score to. Why use 0. 5 for p sub u. It maximizes standard error and give us the safest estimate. A hypothesis = claims about way things are in a population, we use data from a sample to evaluate that claim. When we test a hypothesis, we"re testing a statistic that we obtain from one or more random samples against some value that is stated to characterize a population or populations. There are multiple variations but we will focus on the same 5 steps. Today we"ll start with the simplest version: a claim about the value of a population parameter (mean or proportion) that we evaluate with sample data. This is known as for a one-sample hypothesis test. More complicated where we look at relationships between 2 or more variables.

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