Answer:
is not useful for testing hypotheses.
Step-by-step explanation:
Focus group: The term "focus group is defined as one of the different groups that are being used in the "traditional market research" in order to collect different attitudes and opinions of target or desired audience related to a few specific products, concepts, or services.
A company or an organization can use a "focus group" to gather or collect various customers feedback associated with a brand new service or product before the organization or the company decides to take the service or product into development.