Question

how was the data collected?​

Answer 1

Answer:

Essentially there are four choices for data collection – in-person interviews, mail, phone and online. There are pros and cons to each of these modes. Cons: Not all your customers might have an email address/be on the internet, customers may be wary of divulging information online.

Answer 2

Step-by-step explanation:

There are various methods of collecting primary, quantitative data. Some involve directly asking customers for information, some involve monitoring your interactions with customers and others involve observing customers' behaviors. The right one to use depends on your goals and the type of data you're collecting.