6 Charts and Data Visualization Online Quiz Questions

A spreadsheet recommends a chart type. Should you still check whether the chart matches your question and data?

You need to compare sales for several products in each region. Which chart is the most suitable starting point?

A chart uses an axis that does not begin at zero. What feature must be made clear to readers because it can exaggerate differences?

A scatter plot shows that study hours and exam scores tend to rise together. Does that pattern alone prove that studying more causes higher scores?

What chart type is useful for comparing proportions across groups?

Which practices can improve chart clarity and accessibility? Select all that apply.

You want to compare amounts accumulated within separate periods. Which chart type can be useful for this purpose?

Before drawing a conclusion from a chart, which elements should you read or inspect? Select all that apply.

You select month labels and three product columns for a line chart, but the months appear as separate lines and the products appear along the horizontal axis. What should you do to correct the chart arrangement?

A school wants to compare the spread of test scores across several classes. Recommend a suitable chart type and explain how it would help readers compare the distributions. Include one chart feature readers should check when interpreting the display.

You need to display the distribution of a set of numerical measurements. Which chart is a suitable choice?

A spreadsheet contains sales totals for products with long names. Which chart is most suitable for comparing sales across those products while keeping the labels readable?

A scatter plot shows that study hours and exam scores tend to increase together. This pattern alone proves that studying more caused the higher scores.

You want readers to see how a city's temperature changes from month to month over a year. Which chart is the best choice?

A teacher wants to inspect how a class's numerical test scores are distributed, rather than compare categories or track time. Which chart should the teacher choose?

A spreadsheet contains quarterly revenue for several regions, along with unrelated fields such as manager names and office locations. You need a chart comparing revenue across regions. What should you select before inserting the chart?

A researcher is organizing measurements in a spreadsheet before making a chart. What should each row represent when the data consists of individual measurements?

A chart seems to show a much stronger pattern than expected. When checking whether the plotted data leaves out information that changes the story, what two kinds of values should you look for?