Which Three Branches of Science Are Most Important in Our

question 8

Multiple Choice

Which three branches of science are most important in our study of life in the universe?

• A) physics, mathematics, and astronomy
• B) astronomy, planetary science, and biology
• C) planetary science, biology, and mathematics
• D) biology, mathematics, and physics

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Definitions:

Probability

A numerical expression ranging from 0 to 1 that indicates the probability of an event taking place.

Correlation Matrix

A table showing the correlation coefficients between sets of variables to summarize their mutual relationships.

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.