A Linear Trend Equation of the Form $y t=a+9 t$ May Be Obtained by
A) Drawing a Graph of Actual

Multiple Choice

A linear trend equation of the form $y t=a+9 t$ may be obtained by

A) drawing a graph of actual values on the $y$ -axis and $t$ on the $x$ -axis
B) the multiple regression method
C) the simple linear regression method
D) the squares of errors method
E) none of the above