Which type of chart is best used to display several values at the same point in time?

The line chart is the most effective choice for displaying several values at the same point in time because it allows for the visualization of trends over time by connecting a series of data points with a continuous line. This format makes it easy to see how different values fluctuate and compare against each other at specific intervals. When plotting multiple lines on the same chart, each representing different datasets, viewers can directly compare the trends and relationships between the values over a determined period.

In contrast, while bar charts and column charts do display values, they are typically used for comparing individual categories rather than illustrating changes over time. A pie chart is focused on showing the proportions of a whole, making it less suitable for displaying multiple values simultaneously in a time-sequenced manner. Therefore, the attributes of a line chart align best with the need to visualize multiple datasets at the same point in time.