I in the Linear Trend Equation, the Letter "B" Is

i. In the linear trend equation, the letter "b" is the average change in t for each change of one unit (either increase or decrease) in y.
ii. The least squares method of computing the equation for a straight line going through the data of interest gives the "best fitting" line.
iii. A straight-line trend equation is used to represent the time series when it is believed that the data is increasing (or decreasing) by equal amounts, on the average, from one period to another.

A) (i) , (ii) and (iii) are all correct statements
B) (i) and (ii) are correct statements, but not (iii) .
C) (i) and (iii) are correct statements but not (ii) .
D) (ii) and (iii) are correct statements but not (i) .
E) All statements are false