CCBA Exam Dumps : Certification of Capability in Business Analysis (CCBA)

Comprehensive and Detailed Explanation:Thefailure to meet ROI expectations suggests that assumptions made at the beginning of the project were flawed. TheBABOK® Guide (Chapter 10.37 - Risk Analysis and Management)states thatbusiness assumptions must be tested against actual market conditions to avoid inaccurate forecasting.

Sample size is the number of observations or data points that are used to measure the performance of a solution. Sample size is an important consideration for the BA to obtain reliable and valid information, as it affects the accuracy, precision, and confidence of the results. A larger sample size can reduce the sampling error and increase the representativeness of the population, but it may also increase the cost and time of data collection. A smaller sample size can save resources and time, but it may also introduce bias and uncertainty in the results. Therefore, the BA should determine the appropriate sample size based on the purpose, scope, and quality criteria of the performance measurement12. The other options are not directly related to the data collection process, although they may influence the analysis and interpretation of the data. References:

1: BABOK® Guide v3, Chapter 7: Solution Evaluation, Section 7.3: Analyze Performance Measures

2: Business Analysis Expert Certification, CCBA® | IIBA®

This is because a process model is a visual representation of the activities, inputs, outputs, and roles involved in a business process. Swimlanes are horizontal or vertical partitions that show the responsibilities of different actors or units in the process. By using a process model with swimlanes, the BA can compare the stakeholder’s inputs against each other and identify any gaps, overlaps, or inconsistencies in the process flow. Scheduling a follow-up workshop (A) is not a technique, but a possible action that may or may not help to resolve the issue. Creating a use case scenario (B) is not a suitable technique, as it describes the interactions between a user and a system, not a business process. Creating a logical data model (D) is not a relevant technique, as it shows the relationships and attributes of the data entities, not the business process. References: CCBA Practice Test, CCBA Mock Test