The most useful selection is a bar chart, because it allows you to format the second series as a line. Superimposing two types of charts makes identifying the two data scales easier. How to Format ...

Draw the graph of \(x = 3\). Mark some points on a grid which have an \(x\)-coordinate of 3, such as (3, 0), (3, 1), (3, -2). The points lie on the vertical line \(x = 3\). If you recognise that ...

The line chart below makes it easy to find major support and resistance levels between $2.10 and $2.70 before the price drops below support. Line charts are also ideal for novice traders because ...