Want the Excel file to follow along? Zip file of Excel file can be found here: https://drive.google.com/file/d/1zDYSKAHv3wc2cY_CfEqFOFYaEqKDu5mM/view?usp=sharing Working in Google Sheets? Use this link: https://drive.google.com/open?id=19uKoyiHN_VcNx0Jh41D5zyezaqXdVHnM0U_r1aXc2ug 0:00 Intro to Hypothesis Testing of the Regression Slope Coefficient, b1 2:05 Explanation of the Standard Error of the Regression Slope, sb1 2:36 Example 14-25 part b, Running a Hypothesis Test of a Regression Model using the Critical Value approach 6:50 Explanation of the Sum of Squares: Measures of Variation and where to find them in the Excel output 9:17 Explanation of the Coefficient of Determination, R-square or R2, how to calculate and read in Excel output 10:59 Example 14-25 part c, Finding the Coefficient of Determination, R-square and interpreting the percentage of total variation 12:25 Deeper dive into hypothesis testing of the Coefficient of Determination