Test Scores for a History Class Had a Mean of 79

question 161

Essay

Test scores for a history class had a mean of 79 with a standard deviation of 4.5. Test
scores for a physics class had a mean of 69 with a standard deviation of 3.7. One student
earned a 59 on the history test and a 98 on the physics test. Calculate the z-score for each
test. On which test did the student perform better?

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Definitions:

Thoughts

Mental processes that involve the organization and processing of information, including beliefs, opinions, and plans.

Basic Approach

The fundamental strategy or method adopted in dealing with a problem or in understanding a concept.

Paradigm

A distinct set of concepts or thought patterns, including theories, research methods, postulates, and standards for what constitutes legitimate contributions to a field.

Limit Inquiry

A process of setting boundaries around the scope of an investigation to focus on specific variables or contexts.