The owner of a dance academy wants to know how many students would be interested in learning a rare tribal dance. Which sampling method will result in a sample that is not biased?
AThe owner questions students he personally knows because he thinks that they will speak honestly to him.
BThe owner puts questionnaires in the changing rooms for students to fill out and drop into a secure box.
CThe owner talks to every third student entering a ballet class that is about to start.
DThe owner lists the names of all the students and calls every fifth student
AThe owner questions students he personally knows because he thinks that they will speak honestly to him.
BThe owner puts questionnaires in the changing rooms for students to fill out and drop into a secure box.
CThe owner talks to every third student entering a ballet class that is about to start.
DThe owner lists the names of all the students and calls every fifth student