The different techniques of descriptive statistics that we have covered in the previous chapter give us a straightforward presentation of facts from the data. The next logical step is Inference—the process of making propositions and drawing conclusions about a larger population than the sample data represents.
This chapter will cover the following topics:
Statistical inference is the process of deducing properties of an underlying distribution by analysis of data. Inferential statistical analysis infers properties about a population; this includes testing hypotheses and deriving estimates.
There are three types of inference: