A Random Sample of 30 Observations Is Selected from a Normally

question 93

Multiple Choice

A random sample of 30 observations is selected from a normally distributed population. The sample variance is 12. In the 90% confidence interval for the population variance, the upper limit will be:

• A) 15.176.
• B) 8.177.
• C) 19.652.
• D) 16.941.

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Definitions:

Stock Number

A unique identifier assigned to a particular stock of goods or securities for identification and inventory management.

Internal Control

Measures and tactics adopted by an organization to safeguard the reliability of its financial and accounting data, foster responsibility, and avert deceit.

Materials Requisition Slip

A document used internally in a company to request materials or goods from the inventory or warehouse, specifying quantities and details needed for production.

Authorization

The formal or official approval, often required before an action or transaction can occur.