Answer:
What decision are you trying to make using that information?
Step-by-step explanation:
By knowing the answer to the question, the researcher could designed their research to provide the most relevant data specifically for that purpose.
for example,
let's say that the purpose of the research is to find out which advertising strategies work the best.
The researcher could specifically separate the date and divided the market shares based on different periods. Each different periods are made represent different advertising strategies.
This would provide frank with the information regarding which strategies cause the most increases in market shares.