In calculating the regression equation linking two variables, the standard formulae for the regression coefficients are given in terms of X and Y.
Which of the following is true?
A. Y must be the variable shown on the vertical axis of a scatter diagram
B. Y must be the dependent variable
C. It does not matter which variable is which
D. X must be the variable which will be forecast
正确答案:B
答案解析:
The correct answer is: Y must be the dependent variable
The independent variable is denoted by X and the dependent one by Y.