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

question 108

Multiple Choice

A company has a contract to supply specialized batteries to a manufacturer with a mean width of 54mm and a variance of 1.8 or less with an alpha of 0.05.The company randomly tests 20 of these batteries to ensure that they are meeting the requirements of the contract.If the most recent test had a variance of 1.9, what would be the observed chi-squared value?

• A)32.85
• B)17.91
• C)20.06
• D)30.14
• E)1.645

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Definitions:

Hysterectomy

a surgical operation to remove all or part of the uterus.

Hysterotomy

A surgical procedure to access the uterus, often performed during a cesarean section.

Hymenectomy

A surgical procedure involving the removal of the hymen, which might be necessary for various medical reasons, such as imperforate hymen.

Hysteroplasty

A surgical procedure on the uterus, which can include repair or reconstruction.