A Company Has a Contract to Supply Specialized Batteries to a Manufacturer

question 85

Multiple Choice

A company has a contract to supply specialized batteries to a manufacturer with a mean width of 54mm and a standard deviation of 1.5 or less with an alpha of 0.10.The company randomly tests 25 of these batteries to ensure that they are meeting the requirements of the contract.If the most recent test had a standard deviation of 1.8 what would be the observed chi-squared value?

• A)34.56
• B)36.42
• C)16.67
• D)33.20
• E)-34.56

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Definitions:

Attribution Retraining

A cognitive-behavior modification intervention based on the theory that students’ causal explanations for why they are performing well or poorly have implications for their behavioral persistence, expectancies for future performance, and emotional reactions to success and failure. The goal of attribution retraining is to increase students’ behavioral persistence while performing tasks.

Causal Explanations

Reasoning that seeks to understand the cause-and-effect relationships between variables or events.

Behavioral Persistence

Continuation of behavior even in the face of obstacles or after the initial motivation has gone.

Self-instruction Training

A cognitive behavioral technique where individuals are taught to guide their own actions through self-directed statements or questions.