The scatterplot below shows student heights (y axis) versus father's heights (x axis) for a sample of 173 college students. The symbol "+" represents a male student and the symbol "o" is represents a female student.
Based on the scatterplot, what is the problem with using a regression equation for all 173 students?

Question

The scatterplot below shows student heights (y axis) versus father's heights (x axis) for a sample of 173 college students. The symbol "+" represents a male student and the symbol "o" is represents a female student.
  Based on the scatterplot, what is the problem with using a regression equation for all 173 students?

Quizplus · Accepted Answer

The Answer of The scatterplot below shows student heights (y axis) versus father's heights (x axis) for a sample of 173 college students. The symbol "+" represents a male student and the symbol "o" is represents a female student.
  Based on the scatterplot, what is the problem with using a regression equation for all 173 students?

The Scatterplot Below Shows Student Heights (Y Axis) Versus Father's