Sony Would Like to Test the Hypothesis That the Average

question 28

Multiple Choice

Sony would like to test the hypothesis that the average age of a PlayStation user is different from the average age of an Xbox user. A random sample of 36 PlayStation users had an average age of 34.2 years while a random sample of 30 Xbox users had an average age of 32.7 years. Assume that the population standard deviation for the age of PlayStation and Xbox users is 3.9 and 4.0 years, respectively. Sony would like to set α = 0.10. The p- value for this hypothesis test would Be ______ .

• A)0.1260
• B)0.1722
• C)0.0319
• D)0.0643

---

Definitions:

Equivalent Units Of Production

The number of production units that could have been completed within a given accounting period, given the resources consumed.

Average Cost Method

An inventory valuation method that calculates the cost of goods sold and ending inventory value based on the average cost of all similar items in inventory.

Direct Materials

Raw materials that can be directly traced to the production of goods in the manufacturing process.

Lean Manufacturing

A methodical procedure designed to cut down on waste in a factory setup without reducing work efficiency.