Answer:
Exploratory
Explanation:
Sheena, marketing manager for Yaard-Vark Lawn Tractors, is interested in the relationship between the prices of lawn tractors and the level of sales. To test whether increasing prices will lead to a change in sales and, if so, how much of a change, she should use exploratory research.
Exploratory research is the kind of research where an unknown phenomenon is worked upon. In this case, Sheena does not know the effects of prices on sales. Therefore she carries out exploratory research to fill in the blanks.
