Provide an Appropriate Response

question 62

Essay

Provide an appropriate response.
-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. Suppose a student gets a 65 on the history test and a 74 on
the physics test. Calculate the z-score for each test. On which test did the student perform better?

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Definitions:

Specification Limits

The bounds within which the values of a product, process, or service must lie to meet quality standards.

Proportion Of Defectives

The ratio or percentage of defective items in a batch or production process, indicating the quality or reliability of the manufacturing process.

Specifications

Detailed descriptions of the requirements, characteristics, or standards that an item, project, or process must meet.

Pooled Standard Deviation

A method to estimate the standard deviation across different samples or groups by combining their variances, assuming they have the same variance.