If you record daily sales data in Excel, it may be impossible to explain variances from day to day. Instead, it may make more sense to summarize the data by week to spot trends and explain variations.

Daily puzzles, including the New York ... One key area of focus is Excel’s formulas and functions. 25 Must-Know Formulas and Functions ... Excel data analysis. Article content. Beyond basic functions, ...

This computes a beta value for Apple's stock (0.77 in the example, taking daily data and an estimated period of three years, from April 9, 2012, to April 9, 2015). Low Beta vs. High Beta ...

One key area of focus is Excel’s formulas and functions. 25 Must-Know Formulas and Functions highlight crucial functions like VLOOKUP, IF, and INDEX. ... Excel data analysis.

Reviews and recommendations are unbiased and products are independently selected. Postmedia may earn an affiliate commission from purchases made through links on this page. Pivot tables in Excel allow ...