I help people communicate data ... with graphs. Graphs are pictorial representations of numbers. Therefore, at the least, we should expect that the representation of the numbers be proportional ...

A line chart shows changes over time in ... It is basically a circular chart where the data points are represented by sectors ...

Building a curved graph in Excel based on X and Y data points is fairly simple. You begin by adding the data points. After adding each data set, you can set the line graph to bend and curve ...

Presenter 1: Use a line graph when both variables use numbers ... then the relationship is described as directly proportional. When data is analysed and a relationship between two variables ...

Rather than inserting a chart with imaginary or obsolete data, you can inset an empty line graph as a placeholder. Future editors will modify the chart, inserting the relevant data when necessary.