TransOrg Analytics Analyst Interview Questions and Answers

It was an easy type of aptitude test

Q1. What have you done in AI/Ml field?
Ans. 
I have worked on developing machine learning models for predicting customer churn in a telecom company.
• Developed machine learning models using Python and scikit-learn

• Preprocessed and cleaned large datasets to improve model performance

• Implemented various algorithms such as Random Forest and Gradient Boosting

• Evaluated model performance using metrics like accuracy, precision, and recall
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Q2. What do you know about SQL?
Ans. 
SQL is a programming language used for managing and manipulating databases.
• SQL stands for Structured Query Language.

• It is used to communicate with databases to perform tasks like querying data, updating data, and creating tables.

• Common SQL commands include SELECT, INSERT, UPDATE, DELETE.

• SQL is used in various database management systems like MySQL, PostgreSQL, and Oracle.

• Knowledge of SQL is essential for data analysis
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Q3. Write the python code for creating pandas series.
Ans. 
Creating pandas series in Python.
• Import the pandas library: import pandas as pd

• Create a series using a list: data = ['a', 'b', 'c'] series = pd.Series(data)

• Create a series with custom index: data = {'a': 1, 'b': 2, 'c': 3} series = pd.Series(data)
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Q1. Machine learning
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Q2. Python questions
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Q1. Advance ML Question
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Q2. Adavance SQL and Python Question
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Scenario Base Data Science Question and business understanding

Q1. Python list comprehension Sql basics Python basics
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Sql queries and python related code

Q1. Machine learning concepts
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Q1. Scenario based ML questions
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Basic Apri quest for campus recruitment

Q1. Related to resume and basic analytics
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Q1. Guesstimate, puzzle and Resume based projects
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