​According to Scientific Evidence, the First Organisms on Earth Must

question 45

Multiple Choice

​According to scientific evidence, the first organisms on Earth must have been ____.

• A) ​aerobic
• B) ​pathogenic
• C) ​anaerobic
• D) ​heterotrophs
• E) ​multicellular

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Definitions:

Stepwise Regression

A method of fitting regression models in which the choice of predictive variables is carried out by an automatic procedure, entering and removing predictors based on specific criteria.

Independent Variable

A variable in an experiment or statistical model whose variation influences another variable's (dependent variable) outcomes.

Sample Regression Equation

A formula that estimates the relationship between a dependent variable and one or more independent variables, based on sample data.

Intercept

The value of the dependent variable when all independent variables are equal to zero in a regression equation.