Improve Bar Chart Visualization | Dataford Interview Questions

Your question is Improve Bar Chart Visualization. Take a moment with it on the right.

Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).

Problem

Here is a bar chart of "Salary by Age Group". How would you improve this visualization?

Asked in the technical interview stage, this is an open-ended visualization critique. The interviewer valued clarifying questions about the business problem and audience.

Requirements

Identify ambiguities and potential misleading elements in the chart.
Ask the highest-value clarifying questions about the audience, metric, and decision being supported.
Recommend an improved chart type, labeling, ordering, and supporting context.
Explain how you would validate that the revised visualization is accurate and useful.

Data Available

Assume the underlying employee-level salary, age, job level, department, location, employment status, and compensation-date fields are available.

Your question is Improve Bar Chart Visualization. Take a moment with it on the right.

Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).

Here is a bar chart of "Salary by Age Group". How would you improve this visualization?

Asked in the technical interview stage, this is an open-ended visualization critique. The interviewer valued clarifying questions about the business problem and audience.

Requirements

Identify ambiguities and potential misleading elements in the chart.
Ask the highest-value clarifying questions about the audience, metric, and decision being supported.
Recommend an improved chart type, labeling, ordering, and supporting context.
Explain how you would validate that the revised visualization is accurate and useful.

Data Available

Assume the underlying employee-level salary, age, job level, department, location, employment status, and compensation-date fields are available.