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

question 3

Multiple Choice

The matrix below describes what kind of covariance structure in a multilevel model?

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

---

Definitions:

Eudicot Leaf

A type of leaf found in eudicots, a major group of flowering plants, characterized by veins that form a reticulate pattern.

Petiole

The stalk that joins a leaf to the stem of a plant, supporting the leaf and connecting its vascular system to that of the stem.

Secondary Xylem

The part of a plant's vascular system that carries water and nutrients from the roots to the leaves and provides structural support, chiefly formed during secondary growth in woody plants.

Vascular Cambium

Of plants, lateral meristem that produces secondary xylem and phloem.