If the Correlation Between Two Variables Is Determined to Be

question 22

Multiple Choice

If the correlation between two variables is determined to be 0.70, which of the following is known to be true?

• A) The relationship between them is positive.
• B) The relationship between the two is negative.
• C) The scatter diagram for the two variables will be upward sloping from left to right.
• D) The scatter diagram for the two variables will be downwards sloping from left to right.
• E) A and C

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Definitions:

Actin Filaments

Actin filaments are thin protein fibers that, along with myosin, play a crucial role in muscle contraction and cell movement.

Intermediate Filaments

A component of the cytoskeleton in eukaryotic cells that provides mechanical strength and support, made up of proteins that vary according to the cell type.

Microtubules

Cylindrical structures found in the cytoplasm of eukaryotic cells, composed of tubulin proteins, playing key roles in cell shape, division, and intracellular transport.

Peptidoglycan

A large, complex molecule found in the cell walls of bacteria, providing structural support and shape.