An employer asks the survey question “How much money do you spend on gasoline per week to get to work?” of her employees that drive to work. Which best describes why she chose to only ask the employees that drive to work rather than all of her employees? The employees that drive to work were the target of her survey.
The employees that drive to work adequately represented the sample.
All employees were adequately represented by the sample that drives to work.
All employees were too difficult to survey because the group was too large.