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Data Analyst Interviews

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Data Analyst Interview Questions

In a data analyst interview, employers ask questions that help ascertain your level of technical skills, including familiarity with data analysis software, data analysis terminology, and statistical methods. Interviewers may also use guesstimate questions to learn about your problem-solving skills and creative thinking.

Top Data Analyst Interview Questions & How to Answer

Question 1

Question #1: What data analysis software have you worked with?

How to answer
How to answer: Data analysts use software to perform many of their job duties. Interviewers ask this question to determine your current skill level and how much training you may require. List and discuss any data analysis software you have used. Be sure to mention specific software training and give examples of how you used the software on the job.
Question 2

Question #2: Which statistical methods are most beneficial for data analysis?

How to answer
How to answer: With this question, interviewers are testing your understanding of the most commonly used statistical methods, such as the simplex algorithm, imputation, the Bayesian method, and the Markov process. List and discuss data analysis methods, including the specific benefits of each process. If possible, include examples of how you used specific statistical methods on the job.
Question 3

Question #3: Explain how you would estimate the pairs of rain boots sold in Seattle in May?

How to answer
How to answer: Guesstimate questions are often used in data analyst interviews to test your analytical thinking and problem-solving methods. Share how you would work through the problem, including the data sets you would need, how you would go about finding data, and the methods you would use to calculate an estimated answer.

49,370 data analyst interview questions shared by candidates

What is the following SQL code trying to do? Please explain (select A.RecipientID B.BeginDate, B.EndDate, B.CountyOfResidence, B.MajorProgram, B.EligibilityType, A.Birthdate, (Case When ((date'2010-12-31' - dhsviews.RecipientsV.Birthdate ) / 365.25) <= 21 then 'Ages 0 through 21' When ((date'2010-12-31' - dhsviews.RecipientsV.Birthdate ) / 365.25) <= 65 then 'Ages 22 through 65' When ((date'2010-12-31' - dhsviews.RecipientsV.Birthdate ) / 365.25) <= 65 then 'Ages 66 and Over' Else 'error' end_ as Age_Category from dhsviews.Recipients V as A, DHSViews.RecipientElibgibility V as B Where A.RecipientID = B.RecipientID and B.MajorProgram IN ('MA', 'NM', 'IM', 'EH') and B.EligibilityStatus IN('A', 'C') and B.BeginDate <= date '2010-12-31' and B.EndDate >= date '2010-01-01' Order by 1,2);
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Health Data Analyst

Interviewed at State of Minnesota

3.9★
Apr 15, 2020

What is the following SQL code trying to do? Please explain (select A.RecipientID B.BeginDate, B.EndDate, B.CountyOfResidence, B.MajorProgram, B.EligibilityType, A.Birthdate, (Case When ((date'2010-12-31' - dhsviews.RecipientsV.Birthdate ) / 365.25) <= 21 then 'Ages 0 through 21' When ((date'2010-12-31' - dhsviews.RecipientsV.Birthdate ) / 365.25) <= 65 then 'Ages 22 through 65' When ((date'2010-12-31' - dhsviews.RecipientsV.Birthdate ) / 365.25) <= 65 then 'Ages 66 and Over' Else 'error' end_ as Age_Category from dhsviews.Recipients V as A, DHSViews.RecipientElibgibility V as B Where A.RecipientID = B.RecipientID and B.MajorProgram IN ('MA', 'NM', 'IM', 'EH') and B.EligibilityStatus IN('A', 'C') and B.BeginDate <= date '2010-12-31' and B.EndDate >= date '2010-01-01' Order by 1,2);

Initial Phone Screen/ Behavioral: Describe a challenging project. Tell me about yourself. Rate your SQL skills on a scale of 1-10 SQL Technical Assessment: 1) General time series question. 2) Compare Data 3) Pivot a table without Pivot Function 4) Cross Join Problem 5) Union with CTE (probably other ways to solve) 6) Self Join Problem 7)Requires Windows Function, either Rank or Row Number
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Data Analyst

Interviewed at The Home Depot

3.7★
Nov 18, 2021

Initial Phone Screen/ Behavioral: Describe a challenging project. Tell me about yourself. Rate your SQL skills on a scale of 1-10 SQL Technical Assessment: 1) General time series question. 2) Compare Data 3) Pivot a table without Pivot Function 4) Cross Join Problem 5) Union with CTE (probably other ways to solve) 6) Self Join Problem 7)Requires Windows Function, either Rank or Row Number

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Glassdoor has 49,370 interview questions and reports from Data analyst interviews. Prepare for your interview. Get hired. Love your job.