Which of the Following Statements Expresses What We Mean by a Scientific

question 65

Multiple Choice

Which of the following statements expresses what we mean by a scientific theory?

• A)a simple model that explains a wide variety of phenomena and that has survived repeated tests
• B)an educated guess
• C)an explanation for a physical phenomenon, an explanation that hasn't been tested yet

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Definitions:

Probabilities

A calculation that determines the chances of an event occurring, with values between 0 and 1 to signify probability.

t-Table

A table used in statistics that shows the critical values of the t-distribution, used in hypothesis testing and constructing confidence intervals.

Degrees of Freedom

The number of independent values or quantities that can vary in an analysis without violating any constraints.

Mean

The arithmetic average of a set of values, calculated by summing up all the values and then dividing by the number of values.