Dell Data Analyst Interview Questions and Answers

Q1. Tell me yourself
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Q1. Discussion about salary
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Q1. Tell me about yourself
Ans. 
I am a dedicated and detail-oriented analyst with a strong background in data analysis and problem-solving.
• I have a Bachelor's degree in Statistics and have completed multiple data analysis projects during my studies.

• I am proficient in using statistical software such as R and Python for data analysis.

• I have experience in conducting market research and creating reports to help businesses make informed decisions.

• I am a q...read more
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Q2. Sql basic question from oracle
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Q1. Growth of sales between the years
Ans. 
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%
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Q1. Tell me about yourself
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Q1. About yourself n work profile
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1 hour baisc on general aptitude

Q1. Couple of leetcode medium questions (i think it was around 3 questions) and they had their own platform
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Q1. Tell me about the project you have worked recently
Ans. 
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
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Q2. What kind of forecasting have you done
Ans. 
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
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Excel assessment- was made to make a report from multiple sheets