By creating a visual representation of students’ performance, teachers can help them make sense of their skills and areas for ...

Thanks to their visual simplicity, bar graphs are popular tools for representing data. But do we really understand how to read them? New research has found that bar graphs are frequently ...

Bar charts shorten time to insight, enable straightforward comparisons between different items and data sets, and bring a clean visual representation to your audience. While there are certainly ...

Bar graphs seem like one of the simplest ways to represent data. Many people assume that the longer the bar, the bigger the number it represents. Sometimes bar graphs represent an average not a total ...

A bar graph represents the data of an Excel sheet in an easy-to-read visual graphic. There are several types of bar graphs that work for different data sets.

The takeaway: every bar graph needs a zero on its scale. If you see one without a zero, be careful. In a future post I'll discuss whether line graphs and other graphs also need a zero on their scales.

You can insert a chart in Excel by selecting your dataset, heading over to the Insert tab, and clicking the chart type you want in the Charts group of the ribbon. Then, you can customize them by ...

In Microsoft Excel, to draw attention to a specific marker in a line chart, drop in a thin line, think of it as a marker.

Bar charts are too frequently used to communicate data that they cannot represent well. We strongly encourage the use of more appropriate plots to display statistical samples.

A dot plot or dot chart consists of data points plotted on a graph. The Federal Reserve uses dot plots to show its predicted interest rate outlook.