AB InBev India Data Analyst Intern Interview Questions and Answers

Q1. T-code used in procurement to pay, P2P cycle
Ans. 
The T-code used in procurement to pay in the P2P cycle is ME21N.
• ME21N is used in SAP for creating purchase orders in the procurement process.

• It is part of the procure-to-pay (P2P) cycle where goods or services are ordered and payment is made.

• ME21N allows users to input vendor information, material details, quantities, and pricing for the purchase order.
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Q1. What is autocorrelation?
Ans. 
Autocorrelation is a statistical concept that measures the relationship between a variable's current value and its past values.
• Autocorrelation is the correlation of a signal with a delayed copy of itself.

• It is used to detect patterns or trends in time series data.

• Positive autocorrelation indicates a positive relationship between current and past values, while negative autocorrelation indicates a negative relationship.

• F...read more
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Q2. Linear Regression Assumptions
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Linear regression assumptions include linearity, independence, homoscedasticity, and normality.
• Assumption of linearity: The relationship between the independent and dependent variables is linear.

• Assumption of independence: The residuals are independent of each other.

• Assumption of homoscedasticity: The variance of the residuals is constant across all levels of the independent variables.

• Assumption of normality: The resid...read more
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Q3. P value in simple terms
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P value is a measure used in hypothesis testing to determine the significance of the results.
• P value is the probability of obtaining results at least as extreme as the observed results, assuming the null hypothesis is true.

• A small P value (typically ≤ 0.05) indicates strong evidence against the null hypothesis, leading to its rejection.

• A large P value (> 0.05) suggests weak evidence against the null hypothesis, lead...read more
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Q4. Bagging and Boosting algorithms
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Q5. Multicollinearity
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Q1. What are the methods for evaluating machine learning models?
Ans. 
Methods for evaluating machine learning models include accuracy, precision, recall, F1 score, ROC curve, and confusion matrix.
• Accuracy: measures the proportion of correct predictions out of the total predictions made by the model.

• Precision: measures the proportion of true positive predictions out of all positive predictions made by the model.

• Recall: measures the proportion of true positive predictions out of all actual...read more
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Q2. What is the definition of standard deviation?
Ans. 
Standard deviation is a measure of the amount of variation or dispersion of a set of values.
• Standard deviation is calculated as the square root of the variance.

• It indicates how spread out the values in a data set are around the mean.

• A low standard deviation means the values are close to the mean, while a high standard deviation means the values are more spread out.

• For example, in a data set of test scores, a high stand...read more
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Online assessment based on cognitive assessment, technical assessment and coding

Q1. Why you want to join this company
Ans. 
I am passionate about the industry and believe in the company's mission and values.
• I admire the company's innovative approach to solving industry challenges.

• I am impressed by the company's track record of success and growth.

• I see great potential for learning and professional development at this company.
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Q2. Tell us about yourself
Ans. 
I am a motivated and detail-oriented individual with a passion for learning and problem-solving.
• Graduate student studying computer science

• Experience in software development through internships

• Strong communication and teamwork skills

• Interested in exploring new technologies and challenges
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Q3. How you are suitable for this job role
Ans. 
I am suitable for this job role due to my relevant education, experience, and skills in the field.
• I have a degree in [relevant field] which has equipped me with the necessary knowledge for this role

• I have [X] years of experience working in similar roles, where I have successfully [specific achievement]

• I possess strong skills in [specific skill required for the job], as demonstrated by my previous projects

• I am a quick l...read more
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Q4. How can you initialise run and triminate the thread
Ans. 
To initialize, run, and terminate a thread in Java, you can create a class that implements the Runnable interface and use the Thread class to start and stop the thread.
• Create a class that implements the Runnable interface and override the run() method to define the task to be executed by the thread.

• Create an instance of the class and pass it to a Thread object.

• Call the start() method on the Thread object to initialize ...read more
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Q5. Difference between rdbms and dbms
Ans. 
RDBMS is a type of DBMS that stores data in a structured format using tables with relationships between them.
• RDBMS enforces ACID properties (Atomicity, Consistency, Isolation, Durability) for database transactions.

• DBMS is a general term for any system that manages a database, while RDBMS specifically refers to relational databases.

• Examples of RDBMS include MySQL, Oracle, SQL Server, while DBMS examples include MongoDB,
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Q1. Tell me something about yourself
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Q1. Depends on your current skills & learnings
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Q2. How to face the top management aggressively, so all these are depends on your confidence and ability.
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Q1. Self confidence only
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Q1. Background Info, your knowledge of scope of work involved,
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Q1. Resume based questionnaires and Idea of market
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