A Multiple Regression Analysis Produced the Following Output from Minitab

question 49

Multiple Choice

A multiple regression analysis produced the following output from Minitab. Regression Analysis: Y versus x₁ and x₂
Predictor Coef SE Coef T P
Constant -0.0626 0.2034 -0.31 0.762
X₁ 1.1003 0.5441 2.02 0.058
X₂ -0.8960 0.5548 -1.61 0.124
S = 0.179449 R-Sq = 89.0% R-Sq(adj) = 87.8%
Analysis of Variance
Source DF SS MS F P
Regression 2 4.7013 2.3506 73.00 0.000
Residual Error 18 0.5796 0.0322
Total 20 5.2809
These results indicate that ____________.

• A)none of the predictor variables are significant at the 5% level
• B)each predictor variable is significant at the 5% level
• C)x₁ is the only predictor variable significant at the 5% level
• D)x₂ is the only predictor variable significant at the 5% level
• E)at least one of the variables is significant at 5% level

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Definitions:

Water

A tasteless, odorless, and transparent liquid that forms the world's streams, lakes, oceans, and rain and is necessary for all known forms of life.

Gate Control

Refers to the gate control theory of pain which posits that pain signals pass through neural "gates" in the spinal cord and can be modulated by other neural signals.

Theory of Pain

A conceptual framework for understanding the mechanisms of pain perception, processing, and the experience of pain.

Regulatory

Regulatory refers to the capacity or authority to control, direct, or adjust practices, actions, or systems according to rules, standards, or laws.