HSS 2381 Lecture Notes - Lecture 3: Statistical Inference, Bar Chart, Central Tendency
22 Sep 2016
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Central tendency, variability, and relative standing, and hypothesis testing- sept 22 2016. Area below the curve, mean median and mode should be the same, unimodal, mesokurtic. Last week we talked about the shape now we will discuss how to describe the data. Basic statistics, the ones that can change, you can"t make inferences about your population. Descriptive stsaistics are used to describe the basic featues of the data in a study. They provide simple summaries about the sample and the measures. Together with simple graphics analysis, they form the basis of virtually every quantitative analysis of data. A very important part of any research study , but it only describes the sample. Allow you to make inferences about your sample to your population. Indexes of central tendency provide a single number to characterize a distribution. Measures of central tendency come from the see slide.
