Beneath the Image of Thomas Jefferson on This U

question 172

Multiple Choice

Beneath the image of Thomas Jefferson on this U.S. five-cent coin we see "1975." It must be the case that the coin was minted in 1975.

• A) Deductive, invalid.
• B) Inductive, strong.
• C) Deductive, valid.
• D) Inductive, weak.
• E) Deductive, sound.

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Definitions:

Null Hypothesis

A default statement that indicates no effect, difference, or relationship between two or more variables in an experiment.

Alternative Hypothesis

The hypothesis that is tested against the null hypothesis, usually representing the notion of a difference or effect.

Type I Error

Erroneously dismissing a true null hypothesis, often called a "false positive."

Sample Mean

The average obtained from a sample, calculated by summing all sample data points and dividing by the number of points.