Regression Analysis Was Applied Between Sales Data (Y in $1000s)

question 53

Multiple Choice

Regression analysis was applied between sales data (y in $1000s) and advertising data (x in $100s) and the following information was obtained. ​ = 12 + 1.8x
​
N = 17
SSR = 225
SSE = 75
Sb₁ = .2683
The critical t value for testing the significance of the slope, at a .05 level of significance, is

• A) 1.753.
• B) 2.131.
• C) 1.746.
• D) 2.120.

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Definitions:

Periosteum

A dense layer of vascular connective tissue enveloping the bones except at the surfaces of the joints.

Articulation

Place where two bones come together; also called joint.

Joint

A point where two or more bones meet in the body, allowing for movement and support.

Cavity

An empty or unfilled space within a solid object or body, often referring to holes in teeth caused by decay.