Morningstar Data Analyst Mock Interview
Practice 40 Morningstar Data Analyst interview questions covering financial data, SQL proficiency, and investment research fundamentals.
Question 12 of 40
Talk about your knowledge of statistics and how you used this knowledge in your analytical projects.
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Helen Lee is a freelance data analyst and writer. She has over 15 years of marketing experience working for companies and clients in financial services, quick-service restaurants (QSR), consumer packaged goods (CPG), and education technology.
At the minimum, data analysts should have knowledge and experience using basic statistics, including mean, median, and mode, and be able to conduct significance testing. A more advanced level of statistics may be required, but this would be specified in the job description. Data analysts should not only know how to calculate these basic statistics but should also be able to interpret them about the business. The Morningstar interviewer will ask your question to confirm all of this and determine your level of expertise.
Helen Lee is a freelance data analyst and writer. She has over 15 years of marketing experience working for companies and clients in financial services, quick-service restaurants (QSR), consumer packaged goods (CPG), and education technology.
"I use statistics regularly as a data analyst. For the majority of my work, I calculate basic statistics such as the mean and standard variances. I also conduct significance testing frequently to determine if measurement differences between two populations are statistically significant and worth highlighting for further investigation. In addition, for a few projects, I have worked with correlation coefficients to determine the relationship between two variables in a data set."
William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
You may be tempted to provide the Morningstar interviewer with a great deal of information about your ability to use statistics. This may result in a long, drawn-out answer. Try to avoid this. When you are asked about your capabilities, keep your answers brief and to the point. The interviewer will use follow-up questions to explore this topic in more detail if they want to.
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