Data Analysis Interview Question Basic+Adv

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1.    Behavioral Questions:

·     Tell me about a time when you had to analyze a large set of data. How did you approach it, and what was the outcome?

·       Describe a situation where you had to work on a project with tight deadlines. How did you prioritize your tasks?

·       Can you discuss a time when you faced a significant challenge while working in a team? How did you handle it?

2.    Analytical Questions:

·       How would you determine the success of a new product launch on Amazon?

·       If given sales data, how would you identify trends and make recommendations to improve sales performance?

·       How would you assess the impact of changes in pricing on customer behavior and sales?

3.    Case Study/Problem-Solving Scenarios:

·       Analyze a dataset showing customer purchase behavior on Amazon and suggest strategies to increase customer engagement or retention.

·       Given fluctuating sales figures for a particular product category, what factors would you consider to understand these fluctuations and propose solutions?

4.    Technical Questions:

·       What data analysis tools or software are you proficient in? Can you provide an example of how you used these tools in a previous project?

·       Explain a statistical or analytical method you've used in the past to derive insights from data.

Part-1 Questions:

• What do you believe are the fundamental soft and hard skills needed as a data analytics professional?
• How would your current/previous supervisor or colleagues describe you?
• What do you enjoy most about data analytics? Is there anything you like least?
• What are your career goals?
• What professional achievement are you most proud to have achieved?
• How well do you work in high-pressure situations?
• What is your ideal work environment?
• What are some of your interests or hobbies?
• Why do you want to work for our organization as a data analytics professional?
• What data analytics tasks or responsibilities do you think are most important to our organization?
• What do you do to keep up with data trends?
• Describe the steps involved in a data analytics project.
• Define data cleansing and tell me about some of its best practices.
• Define outliers and explain how to detect them.
• Explain the differences between data profiling and data mining

Part-2 Questions:

• Tell me about your professional background or experience in data analytics.
• What data analytics certifications or training have you received?
• What is the largest set of data you have ever worked with?
• Tell me about a time when you disagreed with a supervisor or teammate and how you managed it.
• Do you have experience making data analytics presentations to stakeholders?
• What experience do you have with databases and data engineering?
• What data analysis tools do you have experience using?
• What scripting languages do you have experience using? Is there one you enjoy using most?
• What are your strengths as a data analytics professional?
• What are your weaknesses as a data analytics professional? What have you done to overcome those weaknesses?
• How have you used statistical models to solve business problems?
• Define clustering and explain what properties a clustering algorithm includes.
• What is imputation? Describe the different types of imputation techniques you have used.
• What is a hash table collision? How do you prevent it from happening?
• What are some of the common challenges you encounter as a data analytics professional?

Part-3 Questions:

• How would you handle a situation where you receive a data set that you believe has suspicious or missing data?
• Tell me about a significant data analytics project you worked on and how the insights you gained from it benefited your team or organization.
• Describe the steps you take during the data exploration process.
• Describe the steps you take during the data preparation process.
• What is logistic regression? What methods do you use to assess logistic regression analysis results?
• Tell me about the most recent data analytics project you worked on and the core steps you took to complete it.
• Which steps of a data analytics project do you enjoy working on most and why?
• What data analytics tools did you use on your most recent project, and why did you choose them?
• Tell me about a challenging data analytics project you worked on and how you overcame those challenges or learned from them.
• At this job, you may often collaborate with colleagues or stakeholders who do not have a technical background in data analytics. What experience do you have explaining complicated or technical ideas in similar situations?
• How do you determine which statistical methods to use when analyzing data?
• Describe a time when you failed to meet a deadline. What did you learn from that experience?
• Describe a time when you had to persuade others to follow your idea or recommendation. How did you gain buy-in?
• What is your decision-making process when creating data visualizations for clients or stakeholders?
• What steps have you taken to improve your analytics knowledge or skills in the past year?

logical questions:

• "What is the sum when you total the numbers one to 100?"
• "What is the angle between the hour and minute hand on a clock at 9 a.m.?"
• "In this series, which number is next: 2, 1, 3, 2, 4, 3?"
• "In this series, which number is next: 2, 1, (1/2), (1/4)?"
• "In this series, what letter is next: Y, Z, V, W, S, T, P, Q?"
• "Which verb does not belong in this list: Fight, Teach, Think, Draw, Catch, Buy"
• "Imagine you are at the bottom of a six-meter wall. Each hour you climb a meter but slide down two. How long until you reach the top?"
• "How can a farmer safely cross the river with a fox, chicken, and bag of corn if he can only bring one item at a time?"
• "How do you best test a calculator?"
• "How many traffic lights are there total in India?"
• "How many barbers are there in Mumbai?"
• "How many goats are in New Delhi?"
• "How many trees are in Gir National Park?"
• "How many liters does it take to paint the Taj Mahal?"
• "Which meal does this represent: FAST?"
• "How is it possible for a doctor's son's father not to be a doctor?"
• "A farmer has 15 goats and all but nine die. How many remain?"
• "A doctor says take these three pills, one at each half-hour. How many minutes total until you are done?"
• "A man is dead in the middle of a field, in a puddle, wearing a wetsuit. How did he pass away?"
• "A woman born in 1945 is only 30 years old right now—how is it possible?"
• "What has four legs but only one foot?"
• "How many basketballs fit on a school bus?"
• "How would you benefit from carrying scissors with you like a pizza delivery man?"
• "How many kilograms of potatoes do fast-food chains in India sell in a year for french fries?"
• "How can you tell if the light inside a refrigerator is on or off?"