Excel provides a number of functions that allow users to perform regression analysis of times series/ trend data. This post shows 6 ways to use Excel for regression analysis, from simple to advanced
The site provides an introduction to understand the basics of and working with the Excel. Redoing the illustrated numerical examples in this site will help improving your familiarity and as a result increase the effectiveness and efficiency of your process in statistics
(4차 산업혁명 시대의 Excel 활용) 통계학 / 
