Exhibit 12-9
a Regression and Correlation Analysis Resulted in the Following

question 83

Multiple Choice

Exhibit 12-9
A regression and correlation analysis resulted in the following information regarding a dependent variable y) and an independent variable x) .
$\begin{array}{ll}\Sigma \mathrm{X}=90 & \Sigma \mathrm{Y}-{\bar{\mathrm{Y}}) X}-\bar{X}) =466 \\\Sigma \mathrm{Y}=170 & \Sigma \mathrm{Y}-\overline{\mathrm{Y}}) ^{2}=1434 \\\mathrm{n}=10\\\mathrm{SSE}=505.98 & \Sigma \mathrm{X}-\bar{X}) ^{2}=234 \end{array}$

-Refer to Exhibit 12-9. The coefficient of determination equals

• A) 0.6472
• B) -0.6472
• C) 0
• D) 1

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Definitions:

Carpel

The female reproductive organ of a flower, encompassing the ovary, style, and stigma.

Petals

The colorful parts of a flower, often brightly colored to attract pollinators.

Stamens

The male reproductive organs of a flower, consisting of an anther and a filament, responsible for producing and releasing pollen.

Gibberellins

Gibberellins are a class of plant hormones that stimulate growth, influence various developmental processes including germination, dormancy, and flowering.