L&T Construction, Mining and Industrial Machinery Data Analyst Interview Questions and Answers

Assessment test about your JD

Q1. They go in details with the JD and your previous exp
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Q1. About handling worst situation like I failed to do something on big event
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Q2. How I managed reports in system
Ans. 
I managed reports in the system by creating templates, gathering data, analyzing trends, and presenting findings to stakeholders.
• Created report templates to standardize format and content

• Gathered data from various sources such as databases, spreadsheets, and software systems

• Analyzed trends and patterns in the data to identify insights and opportunities

• Presented findings to stakeholders through visualizations, charts, a
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Test based on Python Programming nomenclatures and statistical concepts.

One topic to discuss based on latest in technology. For example Impact of AI on human jobs

Q1. Technical and HR round is combined for understanding behaviour of the candidate.
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Q2. What is Naive Bayes Algorithm?
Ans. 
Naive Bayes Algorithm is a simple probabilistic classifier based on Bayes' theorem with strong independence assumptions.
• It is based on the assumption that the presence of a particular feature in a class is unrelated to the presence of any other feature.

• It calculates the probability of each class given a set of input features and selects the class with the highest probability.

• Commonly used in text classification, spam f...read more
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Q3. What is Logistic Regression and what are the assumptions of linear regression?
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Logistic Regression is a statistical method used to model the probability of a binary outcome.
• Logistic Regression is used when the dependent variable is binary (e.g., 0 or 1, Yes or No).

• It estimates the probability that a given input belongs to a certain category.

• Assumptions of linear regression include linearity, independence of errors, homoscedasticity, and normality of errors.
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Q1. A time when you delivered more than expected
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I delivered more than expected by implementing a new machine learning algorithm that significantly improved model accuracy.
• Identified the need for a more advanced algorithm based on data analysis

• Researched and implemented a cutting-edge machine learning algorithm

• Tested the new algorithm on a sample dataset and compared results with existing models

• Achieved a significant increase in model accuracy, exceeding initial expe
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Q1. 1. About Maintenance activities, preventive maintenance, Mttr and Mtbf. 2.There are asking about documents related to maintenance and EHS. About LOTO systems. Kaizens, work permit systems
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Q2. Related to EHS, types of fire extinguishers. Scrap disposal and 5S.
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Q1. What do you know about SCM?
Ans. 
SCM stands for Supply Chain Management. It involves the coordination and management of activities involved in the production and delivery of goods and services.
• SCM involves the planning, sourcing, manufacturing, and delivery of products or services

• It aims to optimize the supply chain to reduce costs and improve efficiency

• SCM includes activities such as inventory management, logistics, and procurement

• Examples of SCM sof
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Q2. How P2P works and SCM practices in Manufacturing?
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P2P is a process of procuring goods and services from suppliers. SCM practices in manufacturing involve managing the flow of goods from raw materials to finished products.
• P2P involves requisition, purchase order, receipt of goods, and payment to suppliers.

• SCM practices in manufacturing include inventory management, demand forecasting, production planning, and logistics.

• Effective SCM practices can reduce costs, improve ...read more
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Q1. Background & company profile
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Q1. Industry questions
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