To be useful to the marketing researcher or manager, differences must be:a) Statistically significantb) Meaningfulc) Stabled) Actionablee) All of the above are needed.

Respuesta :

Answer: All of the above are needed

Explanation:

A market researcher is an individual/organization that studies the market behavior on behalf of a business organization and gives them recommendations on the best business actions to take to ensure effectiveness.

To a market researcher every information on the market behavior is useful, and can help give the researcher insight to how a market works.