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.

To create data bars in Excel, select your cells and then choose data bars from Conditional Formatting.

How to combine and analyze data from multiple data sets using Excel Power Pivot Your email has been sent If you've have lots of data and lots of analysis to do, but little time or skill, you need ...