Buzzworks Business Services Analyst Interview Questions and Answers

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SQL coding questions

Q1. Sales (id, product_id, sales_date, revenue) Give me revenue trends
Ans. 
Analyzing revenue trends involves examining sales data over time to identify patterns and fluctuations.
• Identify seasonal trends: For example, sales may peak during holidays or specific seasons.

• Analyze year-over-year growth: Compare revenue from the same month in different years to assess growth.

• Examine monthly trends: Look for patterns in monthly sales to identify consistent increases or decreases.

• Segment by product: A...read more
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Q2. Transactions (transaction_id, customer_id, amount, transaction_date)Write a query to find the top 3 customers (based on total transaction amount) for each month in 2023. Include the month, customer_id, and...read more
Ans. 
Query to find top 3 customers by transaction amount for each month in 2023.
• Use the SUM function to calculate total transaction amounts for each customer.

• Group results by month and customer_id to aggregate data.

• Use the ROW_NUMBER() window function to rank customers within each month.

• Filter results to include only the top 3 customers for each month.
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Q1. How was interview
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Q2. What are you looking for in this job and what are your salary expectations
Ans. 
I am looking for a challenging role where I can utilize my analytical skills and contribute to the success of the company. My salary expectations are in line with industry standards.
• Seeking a challenging role that allows me to utilize my analytical skills

• Looking to contribute to the success of the company

• Salary expectations in line with industry standards
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Q1. What is ml
Ans. 
Machine Learning (ML) is a subset of artificial intelligence that enables systems to learn from data and improve over time.
• ML algorithms can identify patterns in data, such as predicting customer behavior based on past purchases.

• Supervised learning involves training a model on labeled data, like classifying emails as spam or not.

• Unsupervised learning finds hidden patterns in unlabeled data, such as grouping customers b...read more
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Q2. What is nlp
Ans. 
NLP, or Natural Language Processing, is a field of AI focused on the interaction between computers and human language.
• NLP enables machines to understand, interpret, and respond to human language.

• Applications include chatbots, sentiment analysis, and language translation.

• Examples: Google Translate uses NLP for real-time language translation.

• Sentiment analysis helps businesses gauge customer opinions from social media.

• NL...read more
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Q1. Tell me About Yourself and last CTC
Ans. 
I am a dedicated and detail-oriented analyst with a strong background in financial analysis. My last CTC was $70,000.
• I have a Bachelor's degree in Finance from XYZ University.

• I have 3 years of experience working as a financial analyst at ABC Company.

• I have expertise in financial modeling, data analysis, and forecasting.

• I successfully implemented cost-saving measures that resulted in a 10% increase in profitability for ...read more
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Q2. What about previous experience and comapny
Ans. 
Previous experience and company are important factors in assessing a candidate's qualifications for the role.
• Previous experience should be relevant to the position being applied for.

• Highlight key accomplishments and responsibilities in previous roles.

• Discuss how previous experience has prepared you for the challenges of the new role.

• Mention any notable achievements or projects completed at previous companies.
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Maths, 2 hr. Difficulty was easy.