Question

The spherical semivariogram model (γ(h)) is represented by the following expression, where h is the lag distance.
$y(h) = \begin{cases} C_0,\\\ C_0+(C-C_0)[1.5\frac{h}{a}-0.5(\frac{h}{a})^3], &\\\C, \end{cases}$
The parameters Co, C and a are respectively known as

• A. nugget, range and sill.
• B. sill, nugget and range.
• C. sill, range and nugget.
• D. nugget, sill and range.

Answer 1

Answer: (D)

nugget, sill and range.

Answer 2

The correct option is (D): nugget, sill and range.