Fitting Linear Models to Data · Exercise 31

Use each set of data to calculate the regression line using a calculator or other technology tool, and determine the correlation coefficient to 3 decimal places of accuracy.

$$\begin{array}{ccccccc}x& \text{21}& \text{25}& \text{30}& \text{31}& \text{40}& \text{50}\\ y& \text{17}& \text{11}& \text{2}& \text{–1}& \text{–18}& \text{–40}\end{array}$$

OpenStax, Algebra and Trigonometry 2e · §4.3 Fitting Linear Models to Data · Exercise 31