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

question 87

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 critical value of this chi-squared test?

• A)-33.196
• B)36.415
• C)1.645
• D)33.196
• E)1.282

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Definitions:

Stock Index

A statistical measure that tracks the performance of a specific basket of stocks, representing a particular market or a segment of it.

Correlations

A statistical measure that indicates the extent to which two or more variables fluctuate in relation to each other.

ADRs

American Depository Receipts (ADRs) are a type of negotiable security that represents shares in a foreign company and is traded on a local stock exchange but represents a specified number of shares in a foreign corporation.

Foreign Firms

Companies that are based in one country but operate and conduct business in other countries.