Data Analyst Salary in Cardiff

Data Analyst job description

Job Title: Data Analyst

Overview/Summary of the role:

A data analyst is responsible for analyzing large sets of data and translating that data into actionable insights that can be used to help a business make better decisions. The role requires an individual who is able to collect, organize, and interpret data from a variety of sources, and then present that data in a meaningful way to stakeholders.

Responsibilities and Duties:

- Collect, organize, and analyze data from a variety of sources

- Identify trends and patterns in data sets and make recommendations based on those findings

- Work closely with stakeholders to understand their business needs and provide data-driven insights to support decision making

- Develop and maintain reports and dashboards to display key metrics and data trends

Data Analyst interview questions

Interviewer: Good morning/afternoon, can you tell us a bit about yourself and your experience in data analysis?

Candidate: Sure, my name is [Name] and I have 3 years of experience as a data analyst. I have worked in various industries such as healthcare and finance, and have experience in collecting, cleaning, analyzing and visualizing large datasets.

Interviewer: What are some of the tools and technologies you have used as a data analyst?

Candidate: I have used SQL, Python, R, Excel, Tableau and Power BI for data manipulation, analysis and visualization. I am also proficient in statistical analysis and predictive modelling using these tools.

Interviewer: Can you walk us through your data analysis process from start to finish?

Candidate: Sure. It involves understanding the problem statement, collecting data from various sources, cleaning and pre-processing the data, performing exploratory data analysis, developing statistical and machine learning models, and visualizing the results using appropriate tools.