Why are forecasts important to organizations? Explain the role of regression analysis in business decision-making. What are the important properties of regression coefficients? Distinguish between correlation and regression analysis. What is the difference between a causal model and a time series model? Part II: The following are our company's annual sales ($ million) data from 2015 to 2021. Use Excel regression analysis in Analysis Tool Pack to find the trend equation to forecast sales for 2025. Be sure to include your excel output showing the variable names [Do not use generic X and Y]. Extract the trend mathematical equation. Year Sales $000,000 2015 2016 2017 2018 2019 16 17 25 28 32 2020 43 2021 50