An analysis that enable an assessment of number and types of human resources required to perform various jobs is called as:

Workload Analysis

The correct answer is option 2- Workload Analysis.

Workload analysis is a part of step “Estimating the Manpower Requirements” of the staffing process. It would enable an assessment of the number and types of human resources necessary for the performance of various jobs and accomplishment of organisational objectives. Workforce analysis would reveal the number and type available. In fact such an exercise would reveal whether an organisation is understaffed, overstaffed or optimally staffed.