Le Click here for the Excel Data File. (a-1) Use MegaStat or Minitab or R to deseasonalize the quarterly data on Coca-Cola's revenues and calculate seasonal indexe: (Round your answers to 3 decimal ploces.) (0.2) State the adjusted four quarterly indexes (Round your answers to 3 decimal places.) (0-3) What is the tiend model for the deseasonalized time series? (Round your answers to 2 decimal places.) (c-1) State the model found when performing a regression using seasonal binaries. (A negotive value should be indicated by o minus sign. Round your answers to 4 decimal places.) (c-2) Use the regression equation to make a prediction for each quarter in 2020. (Enter your onswers in millions rounded to 3 decimal places.) Le Click here for the Excel Data File. (a-1) Use MegaStat or Minitab or R to deseasonalize the quarterly data on Coca-Cola's revenues and calculate seasonal indexe: (Round your answers to 3 decimal ploces.) (0.2) State the adjusted four quarterly indexes (Round your answers to 3 decimal places.) (0-3) What is the tiend model for the deseasonalized time series? (Round your answers to 2 decimal places.) (c-1) State the model found when performing a regression using seasonal binaries. (A negotive value should be indicated by o minus sign. Round your answers to 4 decimal places.) (c-2) Use the regression equation to make a prediction for each quarter in 2020. (Enter your onswers in millions rounded to 3 decimal places.)