The Following Information Regarding a Dependent Variable Y and an Independent

question 109

Multiple Choice

The following information regarding a dependent variable y and an independent variable x is provided: $$\begin{array} { l l } \Sigma x = 90 & \sum \left( y - \frac { y } { ) } \right) ( x - x ) = - 156 \\\Sigma y = 340 & \Sigma \left( x - \frac { x } { 2 } \right) ^ { 2 } = 234 \\n = 4 & \sum ( y - y ) ^ { 2 } = 1974 \\\mathrm { SSR } = 104 &\end{array}$$ The coefficient of correlation is

• A) -.2295.
• B) .2295.
• C) .0572.
• D) -.0572.

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Definitions:

Membrane-Bound Nucleus

A defining feature of eukaryotic cells, an enclosed nucleus separates the genetic material from the cytoplasm.

Archaea

A class of unicellular microbes that have genetic distinctions from bacteria and eukaryotes, typically encountered in environments with extreme conditions.

Eukarya

One of the three domains of life, comprising organisms with complex cells containing a nucleus, such as plants, animals, fungi, and protists.

Bacteria

Single-celled microorganisms that can be found in almost every environment on Earth, playing roles in decomposition, nitrogen fixation, and more.