data in the excel file microprocessor dataxlsx download microprocessor dataxlsx shows the demand for one type of chip used in industrial equipment from a small manufacturer construct a combo chart of the data what appears to happen when a new chip is introduced develop a causal regression model to forecast demand that includes both time and the introduction of a new chip as explanatory variables what would the forecast be for the next month if a new chip is introduced what would it be if a new chip is not introduced