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Data Manager Interview Questions
2,761 data manager interview questions shared by candidates
I was handed a large amount of customer research survey data and told "go do some analysis". The job description mentioned NLP but I wasn't given any text, just yes/no/Likert-style survey responses.
What is the worst thing to ever happen to you in your life?
Interview part 2 - Pick 3 words from a list and explain them to an audience who does not know data science. Word list included Machine learning Variance Version control Command line
Technical interview Part 1 - General Data science - Google Colab notebook - Install packages (pandas, numpy, matplotib) - Download and import dataset (bike share company dataset) - Provide a sample of the data - Show a summary of the dataset. Be able to explain datatypes - Explain interquartile ranges - Extract distribution of a single column - Create a chart with this data - Describe the distribution of data - Describe correlation coefficient Part 2 - Machine Learning - View a machine learning model and explain how it works - View code for linear regression and be able to explain the math behind it.
1. What is overfitting? 2. What is L1 and L2 norm? 3. Describe difference between CNN and DNN (Fully connected network) 4. Describe the difference between Gradient boosting and random forest. 5. What is a random forest? 6. Describe the difference between Gradient boosting and XGBoost.
What is the difference between ETL and ELT?
Where do you see yourself in 5 years?
How to handle multiple request from different level of seniority "clients"
How does a decision tree work? Describe in detail.
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