Indium Software Senior Analyst Interview Questions and Answers

Case study was on Restaurant Problem

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Q1. Question about projects
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Q2. Why use MSE metric
Ans. 
MSE metric is commonly used in data analysis to measure the average squared difference between predicted values and actual values.
• MSE helps to quantify the accuracy of a model by penalizing large errors more than small errors.

• It is easy to interpret as it gives a clear measure of how well the model is performing.

• MSE is differentiable, making it suitable for optimization algorithms like gradient descent.

• Example: In line...read more
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Q1. Discussion about projects
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Q2. Why use MSE metrics
Ans. 
MSE metrics are commonly used to measure the average squared difference between predicted values and actual values in statistical analysis.
• MSE helps in evaluating the performance of a predictive model by quantifying the accuracy of the model's predictions.

• It penalizes large errors more heavily than small errors, making it a useful metric for identifying outliers or areas where the model is underperforming.

• MSE is widely...read more
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Q1. Please introduce yourself
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Q2. What is Procurement?
Ans. 
Procurement is the process of acquiring goods or services from an external source.
• Procurement involves identifying the need for goods or services

• It includes selecting suppliers, negotiating contracts, and placing orders

• Procurement also involves managing supplier relationships and monitoring performance

• Examples of procurement include purchasing office supplies, hiring contractors for construction projects, and outsourci
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Q3. Why GEP? Tell me something from the JD shared that you liked and how you are a good fit.
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General Aptitude, Email writing

Q1. Tell me about your summer internship project
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Q2. What is FTL, LTL, Procurement, Sourcing
Ans. 
FTL and LTL are transportation modes. Procurement and sourcing are related to supply chain management.
• FTL stands for Full Truckload, which means a shipment that fills an entire truck and is usually transported over long distances.

• LTL stands for Less Than Truckload, which means a shipment that does not require a full truck and is usually transported over shorter distances.

• Procurement is the process of acquiring goods or...read more
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Q3. S2P cycle, P2P cycle, O2C cycle, S2C cycle
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Q1. Case Study of medium difficulty level
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Q2. Questions on the case study and approach to improve
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Q1. Salary discussion and general talks
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Q1. Walk me through your resume
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Q2. What is entropy ? What is gini index? Give a real life example of derivative and second derivative. What is the difference between P-value and beta value? How do you handle imbalanced dataset? What is the ...read more
Ans. 
Entropy is a measure of randomness or disorder in a system. Gini index is a measure of impurity in a dataset. Derivatives measure rate of change. P-value is the probability of observing a test statistic. Beta value is the coefficient in a regression model. Imbalanced datasets have unequal class distribution. Recall is the proportion of actual positives correctly identified. Precision is the proportion of predicted posi...read more
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Q1. What is probability
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Probability is the likelihood of a specific event occurring, expressed as a number between 0 and 1.
• Probability ranges from 0 (impossible event) to 1 (certain event)

• It can be calculated by dividing the number of favorable outcomes by the total number of possible outcomes

• Probability can be represented as a percentage, fraction, or decimal
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Q2. Write python code
Ans. 
Python code to find the sum of all elements in a list
• Use the sum() function to find the sum of all elements in a list

• Ensure the list contains only numeric values for accurate results
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Hackerearth - python and ML stuff

Q1. EIgen vectors, Math behind algos and previous projects
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Q1. General discussion why to switch?
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It was a 90-minute Aptitude + Coding test in which some LeetCode medium CP problems were asked.

Q1. Regression models: Which one should be used in which case?
Ans. 
Different regression models are used based on the type of data and relationship between variables.
• Linear regression is used when there is a linear relationship between the independent and dependent variables.

• Logistic regression is used when the dependent variable is binary.

• Polynomial regression is used when the relationship between variables is non-linear.

• Ridge regression is used when there is multicollinearity in the ...read more
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Q2. What is R-squared?
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R-squared is a statistical measure that represents the proportion of the variance for a dependent variable that's explained by an independent variable.
• R-squared ranges from 0 to 1, with 1 indicating that all variance in the dependent variable is explained by the independent variable.

• It is used in regression analysis to determine how well the regression line fits the data points.

• A higher R-squared value indicates a bett...read more
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Q3. Logical and Puzzle Questions?
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Q4. Live Coding: 3-Sum Problem
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Q1. Something about yourself?
Ans. 
I am a detail-oriented Senior Analyst with a passion for data analysis and problem-solving.
• Experienced in conducting thorough research and interpreting complex data sets

• Skilled in creating insightful reports and presentations for stakeholders

• Proficient in using analytical tools such as Excel, SQL, and Tableau
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Q2. Salary Negotiation
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