A chocolate bar producer wants to estimate how sales are influenced by the price of their product. To do this, the company randomly chooses 6 small cities and offers the chocolate bar at different prices. Using chocolate bar sales as the dependent variable, the company will conduct a simple linear regression on the data below: City. Prices. Sales River Falls. 1.30. 100 Hudson. 1.60. 90 Ellsworth. 1.80. 90 Prescott. 3.00. 60 Rock Elm. 2.40. 38 Stillwater. 2.90. 32 What is the estimated slope for the candy bar price and sales data