John is the manager for the soft drink categoryr at Coke Cola in the MENA region. He believed that the demand of lCoke [in cases} is only closely related to its price [in dollars). To develop a better understanding of the relationship between the demand and the price of Coke Cola he collected the following data from a random sample of 9 countries in the WNA region. Price of Coke {3:} Demand {y} X1 1!\"? KY 6 1.8 2 1.5 5 1.8 4 1.? II" 2.2 B 2.5 2 2.4 2 2.3 9 2.5: 3 Draw a scatter diagram of the quantityr sold and price h Calculate the Persons' coefficient of correlation, r c. Describe the relationship the demand of coke and its price d Find a regression equation ofthe demand on the price of Coke. e Predict the demand on Coke if the price is 2.5 dollars