# Tasks & work activities — statistician

Source: O*NET 30.3, occupation 15-2041.00 (Statisticians).

## Task statements

- **[Core]** Report results of statistical analyses in peer-reviewed papers and technical manuals.
- **[Core]** Develop software applications or programming for statistical modeling and graphic analysis.
- **[Core]** Present statistical and nonstatistical results, using charts, bullets, and graphs, in meetings or conferences to audiences such as clients, peers, and students.
- **[Core]** Determine whether statistical methods are appropriate, based on user needs or research questions of interest.
- **[Core]** Report results of statistical analyses, including information in the form of graphs, charts, and tables.
- **[Core]** Process large amounts of data for statistical modeling and graphic analysis, using computers.
- **[Core]** Identify relationships and trends in data, as well as any factors that could affect the results of research.
- **[Core]** Analyze and interpret statistical data to identify significant differences in relationships among sources of information.
- **[Core]** Prepare data for processing by organizing information, checking for inaccuracies, and adjusting and weighting the raw data.
- **[Core]** Evaluate the statistical methods and procedures used to obtain data to ensure validity, applicability, efficiency, and accuracy.
- **[Core]** Evaluate sources of information to determine any limitations, in terms of reliability or usability.
- **[Core]** Plan data collection methods for specific projects, and determine the types and sizes of sample groups to be used.
- **[Core]** Design research projects that apply valid scientific techniques, and use information obtained from baselines or historical data to structure uncompromised and efficient analyses.
- **[Core]** Supervise and provide instructions for workers collecting and tabulating data.
- **[Core]** Apply sampling techniques, or use complete enumeration bases to determine and define groups to be surveyed.
- **[Core]** Adapt statistical methods to solve specific problems in many fields, such as economics, biology, and engineering.
- **[Core]** Develop and test experimental designs, sampling techniques, and analytical methods.
- **[Core]** Examine theories, such as those of probability and inference, to discover mathematical bases for new or improved methods of obtaining and evaluating numerical data.
- **[Supplemental]** Prepare and structure data warehouses for storing data.

## Detailed work activities

- Analyze data to identify trends or relationships among variables.
- Apply mathematical principles or statistical approaches to solve problems in scientific or applied fields.
- Design research studies to obtain scientific information.
- Design software applications.
- Determine appropriate methods for data analysis.
- Evaluate data quality.
- Evaluate project designs to determine adequacy or feasibility.
- Evaluate technical data to determine effect on designs or plans.
- Implement security measures for computer or information systems.
- Install computer software.
- Prepare analytical reports.
- Prepare data for analysis.
- Prepare graphics or other visual representations of information.
- Present research results to others.
- Supervise information technology personnel.
- Update knowledge about emerging industry or technology trends.
- Write computer programming code.