Supertails Data Analyst Intern Interview Questions and Answers

Duration was of 1hour. Topics: SQL Basics, SQL Query, Case study related to Blinkit.

Q1. - Guesstimate (No. of paper cups used in one day in an Office)
Ans. 
Approximately 500 paper cups may be used in a day in an average office.
• Consider the number of employees in the office

• Think about the average number of hot beverage drinkers

• Factor in the number of meetings and events held in the office

• Take into account the availability of reusable cups

• Estimate based on personal experience or observation
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Q2. - Puzzle: Find out heavier one out of 9 ball
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Q3. - Situation based questions (KPIs used as manager of Dark Store)
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Q1. SQL Questions (Group by)
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Q2. Analytical Question related to Profit loss
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Easy questions which can be practiced from IndiaBix

Q1. Sql and pandas queries which can be practised easily online.
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Q1. Focused on projects, sql and pandas
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Finding error in sql query

Normal aptitude question

Detail of sql especially joins

Q1. Questions on Past Project
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Q2. SQL Dense Rank - also having the option to do in Pandas
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Q3. Pandas groupby on a dataset given - required to calculate group wise yoy rate of a column
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Q1. Past project ( which he chose , he chose my very first project , which I had forgotten) so ended up screwing it
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Q2. SQL / Pyspark question - difficult question
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Q1. Tell me about your projects?
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Q2. How do you approach the project if you are using logistic regression model?
Ans. 
Approach involves data preprocessing, model training, evaluation, and interpretation.
• Perform data preprocessing such as handling missing values, encoding categorical variables, and scaling features.

• Split the data into training and testing sets.

• Train the logistic regression model on the training data.

• Evaluate the model using metrics like accuracy, precision, recall, and F1 score.

• Interpret the model coefficients to under...read more
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Q1. What are you future goals?
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Q2. What would you do if your interested field doesnt have any work in the company?
Ans. 
I would seek opportunities to apply my skills in related fields within the company.
• Explore other departments or teams within the company that may have projects related to my field of interest

• Offer to collaborate with colleagues in different departments to bring a new perspective to their projects

• Seek out professional development opportunities to expand my skills and knowledge in related areas
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Q1. Basic Recommendation System Questions
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Q2. A B Testing Questions
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Easy topics arrays, sequence sum.