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Data Interview Questions
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the last interview (final) was weird. It felt as if they were delibralatty asking irrelevant questions. 1. Assumption of k-means clustering 2. what is logit function, write down the equation. 3) Formula for anova - i mentions test statisic was SSB/SSW - but he wanted theoritical answers. This particular person is a VP in Mumbai, calls himself data scientist but feels like a college professor.
I was given a tiny dataset in Excel (less than 250 rows) with only 4 columns, i.e. dateordered, datereturned, orderstatus & orders Exercise 1: Crunch the data and tell us whether our return rate is trending up or down. Additional insights are welcome, but not required Exercise 2: Write the SQL code to produce number of completed orders by date
Do you have a PhD? And additional certification? But what courses you've completed?
Name all classification models
Create a Sudoku game solver in Python
What is the business model of criteo?
If you were faced a problem how would you solve it?
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