More precisely, it enables the relationship to be quantified and its significance to be evaluated. Simple linear regression is a statistical approach that allows to assess the linear relationship between two quantitative variables.There are two types of linear regression: 1 The most common statistical tool to describe and evaluate the link between variables is linear regression. The last branch of statistics is about modeling the relationship between two or more variables. Inferential statistics (with the popular hypothesis tests and confidence intervals) is another branch of statistics that allows to make inferences, that is, to draw conclusions about a population based on a sample. Remember that descriptive statistics is a branch of statistics that allows to describe your data at hand.
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