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I applied via LinkedIn and was interviewed before Dec 2022. There were 3 interview rounds.
I applied via Recruitment Consulltant and was interviewed in Jun 2024. There were 2 interview rounds.
Developed a predictive analytics model to forecast customer churn for a telecom company
Used Python and SQL to clean and analyze customer data
Implemented machine learning algorithms such as logistic regression and random forest
Evaluated model performance using metrics like accuracy, precision, and recall
I have experience in time series forecasting using statistical models and machine learning algorithms.
Utilized ARIMA model to forecast sales data for a retail company
Implemented Prophet algorithm to predict stock prices for a financial institution
Used LSTM neural network for demand forecasting in supply chain management
Excel assessment- was made to make a report from multiple sheets
I applied via LinkedIn and was interviewed before Apr 2022. There were 2 interview rounds.
The diagonals AC and BD of a cyclic quadrilateral ABCD intersect each other at the point P. Then, it is always true that
I rate myself 8/10 in Advanced Excel and 9/10 in SQL.
Advanced Excel: proficient in pivot tables, VLOOKUP, macros, and data visualization
SQL: skilled in writing complex queries, joins, subqueries, and stored procedures
Experience in using Excel and SQL together to analyze large datasets
To work with dynamic data, remove duplicates and fix errors, use data cleaning techniques.
Use software tools like OpenRefine or Excel to clean data
Identify and remove duplicate data using unique identifiers
Fix errors by standardizing data formats and using regular expressions
Use data validation to ensure accuracy and completeness
Create a data cleaning plan and document all changes made
Test the cleaned data to ensure it
Formula is a mathematical expression while function is a pre-built formula that performs a specific task.
Formula is a combination of mathematical operators and values used to calculate a result.
Function is a pre-built formula that performs a specific task, such as finding the average of a range of numbers.
Formulas can be customized and modified, while functions are fixed and cannot be changed.
Examples of functions incl
Skil set for My relevant job update
Communication discussion
The sales growth between the years is calculated by comparing the sales figures from one year to another.
Calculate the difference in sales between the two years
Divide the difference by the sales figure of the initial year
Multiply the result by 100 to get the percentage growth
For example, if sales were $100 in year 1 and $120 in year 2, the growth would be (120-100)/100 * 100 = 20%
I applied via Campus Placement
Detailed case with four questions, required intensive number crunching and data analysis.
Suggestions: Stick to your basic understanding of the problem statement and state all your assumptions clearly.
A real business case was presented in a group of 5-7 people. Each one of us was given a specific role and we were told to discuss the case as a group and come up with a detailed solution.
A brief description of your answers/approach: We discussed the problem in hand from different angles - considering each function in detail. In the end of the discussion, we presented the business model of our idea to the Apple representatives in the form of a presentation.
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