Airbnb Lead Analyst Manager Interview Questions and Answers

Q1. Difference Between Rank and Dense Rank
Ans. 
Rank assigns unique ranks to each distinct value, while Dense Rank assigns consecutive ranks to each distinct value.
• Rank does not skip ranks when there are ties, while Dense Rank does

• Rank will have gaps in ranks if there are ties, while Dense Rank will not

• Rank function is used to assign a unique rank to each distinct row, while Dense Rank function is used to assign consecutive ranks to each distinct row
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Q2. Some Basic Joins
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Q3. Socks Pair Puzzle Qustions
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Technical + Analytics
I gave my coding test this august 2024, it was purely based on SQL coding
8 question, 3 easy, 3 intermediate and 3 hard.

Q1. Introduction and explain any one of the projects plus what was the analytics you used
Ans. 
Implemented a project to optimize marketing campaigns using predictive analytics
• Developed a predictive model to identify the most effective marketing channels

• Utilized data from past campaigns to train the model

• Used techniques such as regression analysis and decision trees to analyze the data

• Generated insights on customer behavior and preferences to improve campaign targeting
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Q2. SQL coding, shared screen and was asked to find cumulative sum of cost for a table.
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Q1. What apps do you use
Ans. 
I use a variety of apps for research, data analysis, and communication.
• Microsoft Excel for data analysis

• Google Scholar for research articles

• Slack for team communication
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Q2. What methods of research are you familiar with
Ans. 
I am familiar with various research methods including qualitative, quantitative, experimental, and survey research.
• Qualitative research involves collecting non-numerical data such as interviews, observations, and focus groups.

• Quantitative research focuses on numerical data and statistical analysis to draw conclusions.

• Experimental research involves manipulating variables to test cause-and-effect relationships.

• Survey res...read more
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Basis CAT like aptitude with 2 simple python coding question

Q1. What Central limit theorem
Ans. 
The Central Limit Theorem states that the sampling distribution of the sample mean approaches a normal distribution as the sample size increases.
• States that the sampling distribution of the sample mean will be approximately normally distributed regardless of the shape of the population distribution

• Helps in making inferences about the population mean based on the sample mean

• Important concept in statistics and hypothesis...read more
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Basic Apititude Questions

Q1. Difference between WHERE and HAVING??
Ans. 
WHERE is used to filter rows before grouping, HAVING is used to filter groups after grouping.
• WHERE is used with SELECT statement to filter rows based on a condition

• HAVING is used with GROUP BY statement to filter groups based on a condition

• WHERE is applied before data is grouped, HAVING is applied after data is grouped

• Example: SELECT * FROM table WHERE column = 'value'

• Example: SELECT column, COUNT(*) FROM table GROUP B
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Q2. Where- Row Level Filters Having-Aggregate Filters
Ans. 
Row level filters are applied before aggregations, while aggregate filters are applied after aggregations.
• Row level filters are used to filter individual rows of data before any aggregations are performed.

• Aggregate filters are used to filter the aggregated results after the data has been grouped and summarized.

• Row level filters are typically applied using WHERE clause in SQL, while aggregate filters are applied using H...read more
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Q1. Why do you wanna join Uber?
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Q2. Best Company Ever
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Basic questions based on Sql

Q1. Guesstimators,puzzle
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Q2. Puzzle.guesstimators
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First there will be an assignment.

Q1. Hr will ask about your previous role and responsibilities in detail.
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Q1. One on one with the hiring manager.
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Q1. Senior Hr manager and service delivery manager round.
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