Determine whether statistical methods are appropriate, based on user needs or research questions of interest.; Evaluate the statistical methods and procedures used to obtain data to ensure validity, applicability, efficiency, and accuracy.; Plan data collection methods for specific projects and determine the types and sizes of sample groups to be used.; Apply sampling techniques or use complete enumeration bases to determine and define groups to be surveyed.

Identify relationships and trends in data, as well as any factors that could affect the results of research.; Analyze and interpret statistical data to identify significant differences in relationships among sources of information.

Evaluate the statistical methods and procedures used to obtain data to ensure validity, applicability, efficiency, and accuracy.

Report results of statistical analyses in peer-reviewed papers and technical manuals.; Report results of statistical analyses, including information in the form of graphs, charts, and tables.

Determine whether statistical methods are appropriate, based on user needs or research questions of interest.

Report results of statistical analyses, including information in the form of graphs, charts, and tables.

Prepare data for processing by organizing information, checking for inaccuracies, and adjusting and weighting the raw data.; Evaluate sources of information to determine any limitations, in terms of reliability or usability.

Process large amounts of data for statistical modeling and graphic analysis, using computers.; Prepare data for processing by organizing information, checking for inaccuracies, and adjusting and weighting the raw data.

Plan data collection methods for specific projects and determine the types and sizes of sample groups to be used.; Design research projects that apply valid scientific techniques and use information obtained from baselines or historical data to structure uncompromised and efficient analyses.; Develop and test experimental designs, sampling techniques, and analytical methods.

Report results of statistical analyses in peer-reviewed papers and technical manuals.; Present statistical and nonstatistical results, using charts, bullets, and graphs, in meetings or conferences to audiences such as clients, peers, and students.

Adapt statistical methods to solve specific problems in many fields, such as economics, biology, and engineering.

Examine theories, such as those of probability and inference, to discover mathematical bases for new or improved methods of obtaining and evaluating numerical data.