Help the company to investigate the following questions to make a constructive approach:
a. A wine company needs to estimate a small town of small towns with banned wine law;
b. A magazine distribution agency wants to know how many people read a professional magazine in the doctor's office;
c. A man who wants to know the man who can find and access the use of its products at least 4.
a. You can use a mailing survey or telephone access method to ask for an average daily consumption of alcohol per family;
b. Adoption of observation, based on the number of people in different doctors in different doctors office, estimated the total number;
c. Find and visit:
a) Directly intercept the customer directly in the mall to visit the customer;
b) Access customer information through the customer's quality assurance registration form.
c) Personally experience, disguise into customers to buy the company's products, and communicate with customers who come to buy;
d) Place the questionnaire on the company's website;
