In Regression Analysis, the Amount of Change in Y Which

question 95

Multiple Choice

In regression analysis, the amount of change in Y which accompanies a given unit change in X is designated by

• A) the slope of the regression line
• B) the Y intercept
• C) the "a" value
• D) the magnitude of the difference between X and Y

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Definitions:

Significance Level

The possibility of inaccurately negating the null hypothesis in a statistical test, often exemplified by alpha.

Second-order Model

In statistics and mathematics, a model that accounts for variability by including terms for both the linear effects and their squares.

Significance Level

A threshold in hypothesis testing that determines whether an observed effect is statistically significant. It is the probability of rejecting the null hypothesis when it is true.

Second-order Model

A statistical or mathematical model that includes terms for both the variables and their squared values, allowing for the modeling of curvature in the relationship.