Wizard toy company's marketing researcher conducted a survey to find out the percentage of customers who, after receiving a promotional mailing about a new toy, actually went out and purchased the product. this is an example of

Quantitative research

Explanation:

Quantitative research is defined as the research that is carried out on basis of quantitative data that is based on the field of computation, mathematical , statistics, percentages etc.This research is done by observing the phenomena based on mathematical methods, statistical phenomena, etc.

According to the question, Wizard Toy Company is doing the survey based on quantitative research. They are trying to find the percentage of consumers who are buying the toys after promotional emailing.

As they are doing this research in terms of percentage , it is referred as quantitative research.

you so !