Edge 8th grade sample bias Mrs. Greenaway has decided to open a new preschool in her town. To decide whether she will have enough students to be successful, she hires a researcher to conduct a survey of the town’s population. Which of the following groups would make up the best sample for this survey?

A. parents of preschool children
B. parents of elementary school children
C. registered voters in the town
D. members of the town council