Jerie's Jerseys,a Manufacturer of Soccer Jerseys,has Experienced Slumping Sales Over

Multiple Choice

Jerie's Jerseys,a manufacturer of soccer jerseys,has experienced slumping sales over the last quarter.The marketing research department has been asked to investigate this disturbing development.What should be the first step taken by the researchers in their investigation?

A) Design a questionnaire to gather pertinent data.
B) Decide which statistical procedure to use for data analysis.
C) Determine sources of pertinent internal secondary data.
D) Identify the sample of customers from which data will be gathered.
E) Formulate a specific problem statement.