Line plots are often used to show trends over time. For example, you can explore the patterns in pollutant concentrations in the AIR data set by following these steps.

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 ...

Students will measure different shoes in their homes and analyze the data on a line plot.

The control limits in Output 32.4.1 apply to the subgroup means. This example illustrates how you can modify the chart to indicate whether the variability of the process is in control. The following ...

Examined here were the accuracy and bias of estimates of whisker length based on box, line, and midgap plots. For each type of graph, a different sample of undergraduates viewed 48 single-plot graphs.