3.2. Quiz

Test yourself with this quiz.

3.2.1. Linear Regression

3.2.1.1. Correlation

We have a database on SKF bearings. We want to estimate the mass of these bearings. A correlation analysis is carried out from these data.

3.2.1.2. Linear regression

The line y = 4 + 2x has been proposed as a line of best for the following five sets of bivariate data.

Here is the scatter plot of mass according to the static load.

Datas have been transformed with log10 function.