Design best practices for charts

To improve the visualization above that shows the percentage of Supplier Market Share and adhering to the data visualization best practices, the following action can be done.

• Remove the label showing the percentage

• Remove the title

• Remove the 3D effect

• Remove the legend

What is not considered a best practice to improve the above visualization?

• Remove the unnecessary gridlines

• Remove the unnecessary legend

• Remove the y-axis and append column value labels

• Adjust the minimum value of y-axis to $50,000

Answer explanation

Best Practice - y-axis to start from 0 value

When using multiple series column charts as shown in the visualization below to compare values, the more series the visualization has, the easier it allows viewers to focus on one series at a time and pull out insight.

• False

• True

To improve the readability of column charts, bar width should be wider than the white space between the bars not too thin or too thick. The white space between the bars in the above visualization is acceptable and is considered a best practice.

• True

• False

The visualization above conforms to the best practice of having the correct number of columns for a column chart as it has 6 columns for categories.

• True

• False

1) In visualization, the baseline for a graph is usually 0, but writers can skew how data is perceived by making the baseline a different number. This is shown by the figure above.

• True

• False