Models help us describe and summarize relationships between variables. Understanding how process variables relate to each other helps businesses predict and improve performance. For example, a marketing manager might be interested in modeling the relationship between advertisement expenditures and sales revenues, Consider the dataset below and respond to the questions that follow: Advertisement ($000) Sales ($'000) 1068 4489 1026 5611 767 3290 885 4113 1156 4883 1146 5425 892 4414 938 5506 769 3346 677 3673 1184 6542 1009 5088 . Construct a scatter plot with this data. Do you observe a relationship between both variables Use Excel to fit a linear regression line to the data. What is the fitted regression model? (Hint: You can follow