Data Science Interview Experience for the role of Junior Data Scientist at Landmark group

1. Use Case – Consider you are working for pen manufacturing company. How would you help sales team with leads using Data analysis?
2. Interviewers ask about scenarios or use-case based questions to know interviewee thought process and problem-solving skills.
3. Assume you were given access to a website google analytics data.
4. In order to increase conversions, how do you perform A/B testing to identify best page design.
5. How is random forest different from Gradient boosting algorithm, given both are tree-based algorithm?
6. Describe steps involved in creating a neural network?
7. LSTM solves the vanishing gradient problem, that RNN primarily have. How?
8. In brief, how would you perform the task of sentiment analysis?

Date: 27/06/21
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