Question

x = Temperature (°C) 1100 1200 1300 1100 1500 1200 1300 y = Porosity (%) 30.8 19.2 6 13.5 11.4 7.7 3.6 (a) Fit the simple linear regression model using the method of least squares. Find the least squares estimates of the intercept and slope in the simple linear regression model.

Answer 1

• intercept: 55.6256
• slope: -0.0341585

Explanation:

This sort of problem is best worked by a tool such as a graphing calculator or spreadsheet.