How to compute sample size, Past project , Experimentation (ab testing), how to decide metrics.
Senior Data Analyst Interview Questions
3,104 senior data analyst interview questions shared by candidates
More on WH concepts like Confirmed dimension, slowly changing dimension.
Student retention over consecutive months. The idea was to compute each student's longest uninterrupted streak of monthly activity (i.e., attending at least one class per month), and then group the student count by length of these streaks. It clearly required advanced use of window functions like row_number, lead/lag, and cumulative logic.
Give an example of the project where you used AB testing
Current experience and how this is relevant to the role
what is beta .what are the financial ratio and much more accounting questions
Questions revolved around work experience, previous projects, data analytics tools. There was only one scenario question, and it lacked structure and context.
1) Excel related questions 2) SQL related questions
1. Improve taxi rides upfront price prediction 2. Delivery food; market size estimation and unit economics
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