Interpret the Level of Statistical Significance for the Event Described

question 112

Multiple Choice

Interpret the level of statistical significance for the event described.
-A study of students taking Statistics 101 was done. 500 students who studied for more than 10 hours averaged a B. 250 students who studied for less than 10 hours averaged a C. This difference was significant at the 0.01 Level. What does this mean?

• A)There is not enough information to make any conclusion.
• B)The probability that the difference was due to chance alone is greater than 0.01.
• C)The improvement was due to the fact that more people studied.
• D)There is less than a 0.01 chance that the grades were better by chance alone.

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Definitions:

John Watson

An American psychologist who established the psychological school of behaviorism, emphasizing the study of observable behavior and the role of the environment as a determinant of behavior.

Behaviorism

Watson’s view that science must study observable behavior only and investigate relationships between stimuli and responses.

Tabula Rasa

A theory that individuals are born without built-in mental content, and that all knowledge comes from experience or perception.

John Locke

An English philosopher and physician, widely regarded as one of the most influential Enlightenment thinkers and commonly known as the "Father of Liberalism."