Match the following columns

Column I	Column II
a. A time series consists of data	1. Arranged chronologically
b. The equation of the Gompertz curve is of the form	2. y = Kabx
c. The technique of estimating a past figure is termed as	3. Interpolation
d. (y − 1)3	4. y2 − 3y2 3y1 − y0

A. a-1, b-2, c-3, d-4

B. a-3, b-4, c-2, d-1

C. a-4, b-3, c-2, d-1

D. a-2, b-1, c-4, d-3

Answer: Option A