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Data Analyst Interview

25 Questions and Answers Written by Helen Lee

Updated on June 26th, 2018 |
Question 1 of 25
What tools/software do you have experience using in each phase of a data analysis project - from cleaning/preparing data to data exploration to final presentation?
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How to Answer
Data Analysts should have experience with a variety of tools as they work with the data and build their analyses. Hiring managers will be aware that sometimes one tool may be used for multiple phases. If this is what you have experienced, do not be hesitant to share this. It will highlight your expertise with that particular tool. If throughout your career you have used multiple tools for a particular phase, communicate that as well because it showcases your breadth of experiences.

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Question 2 of 25
Considering all the phases of data analysis, what tools/software do you feel work the best for you or you feel the most comfortable using and why?
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How to Answer
Over a Data Analyst's career, it is likely they have had exposure, training and experiences using different tools, and over time, they begin establishing preferences for specific ones. However, employees' options for data analysis tools are limited to what the company has already chosen. If you have experience working at different companies, you are more likely to have exposure to a variety of analytical tools. This question is aimed at understanding what types of tools you are comfortable with and not necessarily the number of different tools you have used.

Question 3 of 25
What scripting language have you used in your past projects as a Data Analyst? Which are you most confident using?
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How to Answer
Many companies work with multiple scripting languages, so knowing more than one is definitely an asset. If you do not have extensive experience programming with the main language used by the company, highlight your eagerness to learn or strengthen your skills with new scripting languages. Many find that, at a general level, their experience with one scripting language helps them learn new ones.

Question 4 of 25
Which, if any, certifications have you earned related to your career as a Data Analyst?
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How to Answer
Hiring managers will be interested in training you have received related to your job as a Data Analyst. Certifications ensure that you have attained a level of achievement set by industries or specific vendors. It provides a form of measurement for hiring managers to assess skills or knowledge of a particular subject or tool. While answering this question, briefly explain how the certifications you have earned have helped you in your career as a Data Analyst. If you have yet to earn any certifications, consider mentioning which ones you may be interested in pursuing in the future and why.

Question 5 of 25
Describe your experience creating dashboards. If you have experience, what tools have you used to create them?
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How to Answer
Dashboards are snapshots of Key Performance Indicators (KPI's) and metrics. Managers and their teams use them to track a particular business objective or goal. With the input of others, Data analysts are often asked to build and update dashboards. There are several tools that can be used to build dashboards including Tableau, Power BI and even Excel. In addition to these well-known tools, there are many free tools available online. If you do not have experience building dashboards, talk about how your data visualization skills can help you in this area. Do not get too detailed describing your experience, but include the purpose of the dashboard, types of data visualizations you used and a few metrics that were included. If the interviewer would like more detail, he/she will ask additional questions.

Questions 6 through 25
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Author of Data Analyst Answers and Questions

Helen Lee
Helen Lee is a freelance data analyst and writer with over 15 years of experience in the Marketing field working for companies and clients in a variety of industries including financial services, quick service restaurant (QSR), consumer packaged goods (CPG) and education technology. She has experience managing marketing research projects, conducting strategic analyses and writing and editing a variety of pieces including marketing material, blog entries and user guides.
First written on: 01/17/2017
Last modified on: 06/26/2018

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