You are working with the data scientist from your sales department to develop a regression model for forecasting your company's sales based on changes in the U.S. economy. Which of the following types of data do you need the most in order to enhance the accuracy of the model's forecasts?

A. Quantitative data about your company's historical sales and U.S. economic performance statistics.
B. Qualitative data about your company's historical sales and U.S. economic performance statistics
C. Qualitative data about the department's sales force
D. Quantitative data about your company's historical sales only
E. Qualitative data about your marketing environment


Answer: A

Business

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