Using the PewShop dataset, investigate the relationship between the Tech Index and the Shop Index, but now run the regression once for men younger than 40 years old and then again for women younger...

Using the PewShop dataset, investigate the relationship between the Tech Index and the Shop Index, but now run the regression once for men younger than 40 years old and then again for women younger than 40 years old. Examine the results and contrast the statistical significance of the two slopes.