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How do you determine the necessary sample size for an A/B test?

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Interview experiences

1 shared
Uber · a year ago
"The recruiter was nice. The interviewer was also very nice. But, the process was rigourous. Probably the most difficult techinical screen interview I have given in my career. My nervousness added to the unpreparedness even after preparing for 2 weeks straight didn't help. 1 hour interview. For Data Science role, easy DSA is a must. No SQL allowed in the job. Python pandas advanced proficiency is a must."
Data Scientist · Senior / L5

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