Trend lines are a type of regression analysis, which is a way to study the relationships between variables. In the context of small business, trend lines are often used to show sales trends and can be ...

Data is rarely so uniform and predictable that plotting data points creates a perfectly linear arrangement. Scatter charts might have wildly varying plots that create a seemingly random correlation ...

When you dive into Excel, you quickly realize the power it holds for data analysis and prediction. Two of the most potent tools at your disposal are the TREND and FORECAST functions. These functions ...

If you use Microsoft Excel regularly for studying or work that requires a spreadsheet to be filled with data-driven information, then you know it can be quite difficult and time-consuming to decipher ...

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If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

Adding a graph in a spreadsheet is no big deal as long as you know the process. However, do you know that you can make a curved line graph in Excel or Google Sheets? If not, you should check out this ...

So far in this series, we have looked at querying systems using WMI to pull the drive space and then spent some time looking at sending that data to a SQL server database where it can be saved for ...

A new study suggests that the format in which graphs are presented may be biasing people into being too optimistic or pessimistic about the trends the graphs display. Academics found that when people ...