data-skill-challenges/challenges/excel_leveling_test/README.md

Excel Leveling Test

An Excel leveling tests to test your current leven and skills with Excel. A data-team grade data analyst should fly through this. A Domain Analyst is expected to be able to complete it in the proposed timeline, with possible minor mistakes.

Goals

The challenge requires the candidate to put to use the following skills:

• Be able to read existing tables and understand what's in them.
• Formatting data to make it more readable.
• Perform filters on a clean table.
• Run basic arithmetic formulas.
• Perform calculations and adding new data.
• Import data from a csv file.
• Merge tables based on more than 1 field.
• Create pivot tables.
• Creating graphs and draw conclusions from it.

Some of these can be solved manually, through formulas, with pivot tables, etc. It's possible that different candidates use different strategies.

Besides this, you can emphasize more or less the importance of pretty result presentation, reproducibility, methodology explanations, etc. That's up to you and not really defined in the test.

Inventory

• Excel_Level_Test.xlsx: the workbook that serves as both starting point and instructions for the challenge. Candidate can use a copy of it as his working area.
• currency_data.csv: a supplementary file that the candidate will have to import into the workboox.

How to use

• Provide the candidate with both Excel_Level_Test.xlsx and currency_data.csv.
• Sprinkle any specific instructions you might want to add.
• Send it all to the candidate, provide a timeline and sit tight.

Solutions

We will go through them together with the candidates.