How to prepare for interview questions after the data analyst course?

Preparing for an interview can be a daunting task, but it can be a less difficult activity if you have the right resources for potential topics so you can focus your time and effort. Data analysts looking forward to landing top jobs should be well-prepared for interview questions that not only challenge their technical skills, but also dig deeper into preferred working styles, problem-solving approaches, and collaborative skills. If you’re interviewing for a data analyst position, dig deeper into these topics to better equip yourself when the time comes.

Determine the topics you should focus on

While some interview questions may be predictable, some may surprise you. Thoroughly researching the company will help to gain a basic understanding of the type of data analysis they perform and what exactly your job will entail. The job description and website can give you enough information, including key steps to follow in their industry, data issues, and their clients. Additionally, you can also check out the company’s LinkedIn page.

Review your skills

There are 3 skills in particular that data analysts need to be good at and these are:

  1. Statistical/mathematical skills

A good analyst must know how to make sense of numbers. By math, we mean that you need to know the basics of statistical concepts and probability theory. Many interviews test the interviewee’s understanding of things like the central limit theorem, the law of large numbers, and familiarity with Bayesian probability and calculus. You can take the following courses for free to learn the basics of statistics and probability:

• MIT OpenCourseWare

• Khan Academy

  1. Technical skills

When it comes to technical skills, you should at least be proficient in SQL, the database management language. Additionally, you should be familiar with one or both of Python and R scripting languages. The interviewer’s goal is to find out if you have an understanding of the basics of programming and are able to debug code. when it throws an error.

There are platforms that offer multiple Python and R courses. You can choose a course based on your experience and level of familiarity with the language.

  1. Business knowledge

Yes, data analysis is a technical role. While having statistical knowledge and meeting technical requirements is crucial, you also need to have good business acumen. It takes experience, thought, and a certain amount of trial and error to develop a sound knowledge of the business world. You need to know, for example, what numbers would make the most sense in a data report and what kind of KPIs should be a measure of business quality.

Some of the other skills you need to hone include:

• Communication skills

Although technical skills can always be developed on the job as long as you have a basic foundation, it is extremely difficult to teach communication skills to people who are technically good but cannot express their ideas well. . Make sure you take the time to structure your thoughts and codes and adopt the structured communication style. The best way to master this is to do mock interviews with a friend.

• Familiarity with cloud platforms

Since most businesses rely on some type of cloud platform for data storage, it would be helpful to be familiar with Google Cloud Platform, Azure, or any other cloud platform.

Attempt to practice questions

Review some of the interview questions you think you might come across. Some data analyst interview questions to understand:

• How would you use the data to calculate an estimate?

• What would you do as a data analyst with missing or suspect data?

• How would you approach multi-source problems?

Data analytics is a growing field and offers attractive starting salaries for entry-level jobs. If you have decided to go this route, there are several data analysis course available online that provide certification.

Sean N. Ayres