The Equation for the Standardized Regression Equation Is ______ $r^{2}=\frac{b_{1} S P_{X_{1} Y}+b_{2} S P_{X_{2} Y}}{S S_{Y}}$

question 3

Multiple Choice

The equation for the standardized regression equation is ______.

• A) b₁X₁ + b₂X₂ + a
• B)\( r^{2}=\frac{b_{1} S P_{X_{1} Y}+b_{2} S P_{X_{2} Y}}{S S_{Y}} \)
• C)\( a=M_{Y}-b_{1} M_{X_{1}}-b_{1} M_{X_{2}} \)
• D)\( \widehat{Z_{Y}}=\beta_{1}\left(z_{X_{1}}\right)+\beta_{2}\left(z_{X_{2}}\right) \)

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Definitions:

Pupils

The black circular openings in the center of the iris of the eye, which regulate the amount of light that enters the eye.

Blurry Vision

A lack of sharpness in vision, resulting in the inability to see fine details.

Colour Vision

The capability of the visual system to distinguish objects based on the wavelengths of the light they reflect, emit, or transmit.

Vision Clarity

The sharpness and clearness of vision, often measured by the ability to discern letters or numbers at a specified distance.