The Net Weights (In Grams) of a Sample of Bottles

question 74

Multiple Choice

The net weights (in grams) of a sample of bottles filled by a machine manufactured by Edne, and the net weights of a sample filled by a similar machine manufactured by Orno, Inc., are: Edne: 5, 8, 7, 6, 9 and 7
Orno: 8, 10, 7, 11, 9, 12, 14 and 9
Testing the claim at the 0.05 level that the mean weight of the bottles filled by the Orno machine is greater than the mean weight of the bottles filled by the Edne machine, what is the critical value? Assume equal standard deviations for both samples.

• A) 2.179
• B) 2.145
• C) 1.782
• D) 1.761

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Definitions:

Materials Cost

The expense incurred for the raw materials that are used in the production of goods or services.

Yards Per Unit

A measurement used to indicate the amount of yardage (length in yards) of material required or utilized per unit of production.

Direct Labor Variances

The differences between the budgeted or standard costs of direct labor and the actual costs incurred, which can indicate efficiencies or inefficiencies in labor usage.

Help Desk Assistant

A role or automated system designed to provide users or employees with information and support related to a company's products or services.