Bivariate Regression Can Not Demonstrate

question 47

Multiple Choice

Bivariate regression can not demonstrate:

• A)when the two variables are linear.
• B)when the two variables are strongly inversely related.
• C)when the two variables are strongly positively related.
• D)when the two variables are causally related.

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Definitions:

Bud Scale

A small protective covering over a bud that shields it from the elements and pathogens.

Casparian Strip

Layer of impermeable lignin and suberin bordering four sides of root endodermal cells; prevents water and solute transport between adjacent cells.

Vascular Cylinder

In eudicots, the tissues in the middle of a root, consisting of the pericycle and vascular tissues.

Root Hairs

Thin, hair-like extensions from the root of a plant that increase surface area for water and nutrient absorption.