Avatto>>DATA SCIENTIST>>SHORT QUESTIONS>>Business Analyst Interview Questions
INVEST assists a project manager and technical team to get a quality product/services/scrum meeting. INVEST stands for

I – Independent ( The product should be independent/minimum dependent on other products)

N – Negotiable(The product should not be fixed, it can be rewritten or even discarded, depending on the business, market, technical, or any other type of requirement by team members.)

V – Valuable(bring actual project-related value to the end-user and continuously deliver a quality product to the users)

E – Estimable (Product need to be estimable in order to plan its flow, iterate )

S – Sized Appropriately (The size of the product should suit the environment of production i.e. number of resources, the technology required, etc.)

T – Testable (The product/service should be testable in order to reiterate ).
It is a decision-making technique, also known as 80/20 rule.  It is used for quality control and defect resolution. It explains a few factors that can be responsible for big problems. It is named as 80/20 rule, because as per this rule, 80 % of effects in the system, arises from 20 % causes.
Business analysis is the set of tasks and techniques used to work as communication among stakeholders in order to understand the structure, policies, and operations of an organization, and to recommend solutions that enable the organization to achieve its goals.
Revenue can most easily be thought of as the top line of an income statement or profit and loss statement. Revenue is the total amount of income generated by the sale of goods or services related to the company's primary operations. If the company is a shoe retailer, the money it makes from selling shoes before accounting for any expenses is its revenue.
It describes how a business analyst identifies a business need, refine and clarify the definition of that need, and define a solution scope that can feasibly be implemented by the business.