Describe how AB tests work. Elaborate on the main concerns when it comes do designing the AB test, implementing, analyzing and acting upon the findings.
Daten Interview Questions
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How confident are you in yourself? Do you believe that you are the best? Talk about a time you have struggled?
Sql Questions: 1. Write a query that returns the number of activities amd number of users by activity type and activity date 2. Write a query that returns for each user it’s forst and last activity timestamp and activity type 3. Write a query that returns for each date the number of users who were active (had an activity) and number of users who didn’t
Breve apresentação; como utilizo análise de dados no dia a dia; exemplos de como os dados me ajudaram a decidir algo sobre o negócio; como foi recebido pelos stakeholders.
Give example of reports you run, previous experience, etc.
Tell me about yourself? Why VISA? Why did you apply? ROUND 2 SQL and Python questions ROUND 3 ML and DL and data science questions
Softmax function
Tell us about yourself, asked some questions more specific to my experience. Nothing out of the ordinary.
Difference between union and union all
Leetcode pairs of elements in arrays with min abs difference.. SQL easy and medium LC
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