The Manager of a Video Library Would Like the Variance

question 39

Multiple Choice

The manager of a video library would like the variance of the waiting times of the customers not to exceed 2.30 minutes-squared.He would like to add an additional billing counter if the variance exceeds the cut-off.He checks the recent sample data.For a random sample of 24 customer waiting times,he arrives at a sample variance of 3.8 minutes-squared.The manager assumes the waiting times to be normally distributed.Which of the following would be null and the alternate hypothesis to test if the cut-off is surpassed?

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Definitions:

Beginning Work in Process Inventory

Beginning work in process inventory refers to the valuation of materials, labor, and overhead costs that have been partially completed but are not yet finished goods at the start of an accounting period.

Ending Work in Process Inventory

The value of goods in production but not yet completed by the end of an accounting period.

Cost of Goods Manufactured

The total cost incurred by a company to produce goods, including raw material, labor, and overhead costs, in a specific period.

Direct Labor Cost

The total cost of employing workers who are directly involved in the manufacture of goods or the provision of services.