Final answer:
The easiest chart type to display the names of seven city names on a category axis is a column chart.
Step-by-step explanation:
The column chart would display the names of seven city names on a category axis in the easiest way. A column chart uses vertical columns to represent the data points, and it is effective for comparing the values of different categories. In this case, each city name would be represented by a separate column on the category axis, making it easy to identify and compare the names.
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