Answer: Forrester only surveyed a sample, a small portion of the people that represent consumers who shop online.
Explanation:
To collect data from the people through survey. Forrester research chooses a small portion of people to represent the online shopping customers. The small portion of people chosen is called the sample. As the entire people cannot be surveyed because it is complicated and time consuming.
Statistically sample is defined as the subset of the population of interest. Survey is collecting data and opinions from the people. This survey with subset of population is called as sample survey.
