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.

Add Yahoo as a preferred source to see more of our stories on Google. If you have three or more rows of data, chances are, you'll need to summarize those values in some way. Summarizing is one of the ...

When you compile data in a list, you often need to answer questions such as “How much revenue did the West Coast office generate last month?” or “What was the average number of customers served at ...

Have you ever spent hours wrestling with Excel formulas, only to end up with a tangled web of cells that’s nearly impossible to decipher? For many, this is the reality of data analysis: a painstaking ...

"We are excited to announce support for PivotTable creation and editing on iPad. PivotTables allow you to calculate, summarize, and analyze data. We have tailored this powerful tool for the iPad's ...