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:

Market Orientation

A business philosophy where the focus is on identifying and meeting the needs and wants of customers through product innovation and customer satisfaction.

Natural Monopolies

A market structure where a single firm can provide a good or service to an entire market at a lower cost than if there were multiple firms due to economies of scale.

ROI

Return on Investment, a performance measure used to evaluate the efficiency or profitability of an investment.

Marketing Concept

A business philosophy suggesting that the key to achieving organizational goals consists of the company being more effective than competitors in creating, delivering, and communicating customer value to its selected target markets.