The Matrix Below Describes What Kind of Covariance Structure in a Multilevel

question 12

Multiple Choice

The matrix below describes what kind of covariance structure in a multilevel model? $$\left( \begin{array} { l l l l } 1 & 0 & 0 & 0 \\0 & 1 & 0 & 0 \\0 & 0 & 1 & 0 \\0 & 0 & 0 & 1\end{array} \right)$$

• A)Unstructured
• B)AR(1)
• C)Diagonal
• D)Variance components

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Definitions:

Accumulated Depreciation

The total amount of depreciation expense that has been recorded against a fixed asset since it was put into use.

Residual Value

The estimated value that an asset will have at the end of its useful life.

Double-declining-balance

A method of accelerated depreciation calculating a larger depreciation charge in the first year of an asset's life and progressively smaller charges in subsequent years.

Depreciation Expense

The portion of the cost of a fixed asset that is charged as an expense in a particular accounting period, reflecting the asset's usage and wear and tear.