the owner of a department store believes that there is a relationship between number of people visiting the store and the daily sales in dollars. He has collected the data for the past seven days and they are as follows

minutes? [5 Marks] Question 5: The owner of a departmental store believes that there is a relationship between number of people visiting the store and the daily sales in dollars. He has collected the data for the past seven days and they are as follows - Day 1 Day 2 Day 3 Day 4 Day 5 Day 6 Day 7 Visitors 14 12 20 16 26 23 24 Sales (in thousand dollars) 24 14 28 30 40 30 45 a. Determine the regression equation ( 4 Marks) b. Determine the estimated sales if 20 customers visit the store. [2 marks]