A date-and-cost line chart tracks a commodity's changing price over time. Economists use such diagrams to display broad market trends and predict future prices. Businesses that restock continually use ...

I just tried this. Select all the data you want to have graphed, click on Insert, pick line graph, and choose which one you want. Excel (2007) automagically grouped date and time on the X axis. Edit: ...

You can use the Frequency function within Excel in Microsoft Office 2011 for the Macintosh platform to calculate the frequency of data that lies within a certain range. From that calculation you can ...