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Problems Questions Drills Roles Skills Interview Contest Leaderboard

Problems Questions Drills Roles Skills Interview Contest Leaderboard

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Data Visualization

Data Analyst

Data Visualization questions

7 questions on Data Visualization for data analysts, easiest first.

Easy 3

Best chart for a trendeasy
Chart for 12 product categorieseasy
Dimensions vs measureseasy

Medium 3

Designing an executive dashboardmedium
Bar chart that exaggeratesmedium
Why use a 7-day moving averagemedium

Hard 1

Correlation near zerohard

More Data Analyst skills

SQL 37 Statistics 21 Metrics 13 Excel 10 A/B Testing 10 Null Handling 8 Aggregation 7 Joins 7 Window Functions 7 Business Math 5 Data Quality 5 Descriptive Statistics 4 Python 4 Pandas 4 Power BI 4

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