Exhibit 12-7
You Are Given the Following Information About Y $$\begin{array} { c c } \text { Dependent Varinble } Y )& \text { Independent Varinble X)} \\ \end{array}$$

question 8

Multiple Choice

Exhibit 12-7
You are given the following information about y and x.
$$\begin{array} { c c } \text { Dependent Varinble } Y ) & \text { Independent Varinble X) } \\ \end{array}$$ 5 4
7 6
9 2
11 4
-Refer to Exhibit 12-7. The least squares estimate of b? slope) equals

• A) -10
• B) 10
• C) 0.5
• D) -0.5

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Definitions:

Ca

Calcium, a chemical element with the symbol Ca and atomic number 20, an alkaline earth metal essential for living organisms, particularly in cell physiology.

Lewis Dot Structure

A diagrammatic representation of the valence electrons in an atom, ion or molecule, using dots around the symbol of an element.

Potassium

A soft, silvery-white metallic element, highly reactive and essential for biological organisms, symbolized as K.

Se

Selenium, a nonmetal element with properties that are intermediate between those of metals and nonmetals, used in various industrial applications.