I If We Are Studying the Relationship Between High School

question 77

Multiple Choice

i. If we are studying the relationship between high school performance and college performance, and want to predict college performance, high school performance is the independent variable. ii. An economist is interested in predicting the unemployment rate based on gross domestic product. Since the economist is interested in predicting unemployment, the independent variable is gross domestic product.
iii. The variable used to predict the value of another is called the dependent variable.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Mitochondrial Matrix

The innermost compartment of the mitochondrion, enclosed by the inner membrane, containing enzymes, DNA, and ribosomes for energy production.

Pyruvate

A key intermediate compound in cellular metabolism formed from the glycolysis of glucose.

Alcoholic Fermentation

A biochemical process by which sugars are converted into ethanol and carbon dioxide by the action of yeast or bacteria.

Lactate Fermentation

An anaerobic metabolic process by which glucose or other six-carbon sugars are converted into cellular energy and the metabolite lactate.