1. The following data show the demands for a product (in thousand pesos) and its price (in pesos) charged in 10 different market areas. Area A B C D E F G H I J Price 18 10 14 11 15 13 17 20 9 19 Demand 9 35 57 34 22 36 8 5 40 6 a) What is the independent and the dependent variable? b) Determine the strength of the relationship between price and demand? c) Find the linear regression equation for predicting the demand from the knowledge of price. d) Estimate the demand for the product if the price is P25