NeenOpal Intelligent Solutions Senior Data Analyst Interview Questions and Answers

Easy to moderate general aptitude questions were asked

Easy to moderate questions were asked

Q1. How do you work with a team
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Q2. Tell me about your recent project
Ans. 
Developed a predictive model for customer churn in a telecom company
• Used machine learning algorithms such as logistic regression and random forest

• Performed data preprocessing and feature engineering to improve model performance

• Evaluated model performance using metrics like accuracy, precision, and recall
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Contained 3 coding question and 10 mcq on stats, ML and SQL, They asked to complete in 1hr to get shortlisted for next round. Then next round didn't happen

Assignment was based on figma

Hackerrank statistics and dsa

Q1. Related Python Questions on Data Science
Ans. Brush up your knowledge on pandas numpy scikitlearn
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Q1. Technical interview related to my projects and assignments
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Q2. Difference between supervised and unsupervised learning, k means clustering, knn, SQL joins
Ans. 
Supervised learning uses labeled data to train a model, while unsupervised learning uses unlabeled data. K-means clustering is a type of unsupervised learning algorithm. KNN is a supervised learning algorithm. SQL joins are used to combine data from multiple tables.
• Supervised learning uses labeled data to train a model, while unsupervised learning uses unlabeled data

• K-means clustering is a type of unsupervised learning...read more
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Question are hard in panel

Q1. What is the current ctc
Ans. 
I am currently earning a salary of $60,000 per year.
• My current annual salary is $60,000

• I am earning $5,000 per month

• My total compensation package is $60,000
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Q2. What is the company name
Ans. 
The company name is XYZ Corporation, a leading data analytics firm specializing in providing insights for businesses.
• XYZ Corporation is a data analytics firm

• Specializes in providing insights for businesses
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Q3. Gammon India Ltd
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It is very good in study for
Further studies.