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Level of Detail #2

Wednesday, February 10th, 2021

Quiz on Level of Detail #2

Use the “All medalists” sheet from Summer_Olympic_medallists_1896-2008. How many countries never had any women athlete in Olympics (use GENDER field .NOC represents country code)

135

138

Using Sample-Superstore dataset find the average customer profit in every region. Which Customer segment has lowest average customer profit in most regions?

Corporate

Home Office

Consumer

Small Business

Which of the following are true about Exclude LOD expressions? [Select all that apply]

Exclude LOD always cause replicated values to appear in the view.

Has either the same level of detail as the view or a finer level of detail than the view.

Default aggregation for Exclude LOD is ATTR

EXCLUDE LOD expressions can be dimensions or measures.

Using the “All medalists” sheet from Summer_Olympic_medallists_1896-2008 , how many athletes won all medals(Gold, Silver & Bronze) in Tennis(Discipline)?

From the 1 digit sheet of EMSI_Jobchange_UK , find the city that ranked 3rd in overall contribution to jobs in 2014 in UK. How much % did "Education" industry from this city contributed to overall jobs in 2014 in UK?

9.44%

7.11%

0.76%

0.65%

Use the Top teams payroll list from Global Sports finances dataset. Use histogram with bin size of 10,000,000 to find how many leagues have average total payroll between 60M AND 70M?

Time is Up!

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About the Author: Lukas Halim

I earned a Masters in Analytics from NC State in 2013 and now work as a data analyst in the health insurance industry. Using tools such as SAS, Tableau, and Teradata, I conduct analysis to help my company improve healthcare affordability and customer engagement.

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