The tasks a Statistical Assistant is expected to perform include:

Collecting, compiling and scrutinizing statistical data, arranging it in a systematic manner to facilitate its analysis, interpretation and presentation
Checking collected data for consistency and reducing quantitative data to a convenient form by making statistical calculations
Analyzing data to find out dispersion and magnitude of errors
Attending to computation for advanced statistical calculations
Arranging analyzed data in proper order in charts, graphs, diagrams, etc, for interpretation and publication
Conducting field investigations to collect data as per the prescribed schedule
Writing reports of investigations
Supervising the work of Investigators and guiding them when necessary
Operating calculating machines