A Mann-Whitney U Test Was Performed to Determine If There

question 97

Multiple Choice

A Mann-Whitney U test was performed to determine if there were differences in the cost of tuition at a Texas state university versus an Oklahoma state university.The total cost,including room,board,and books for 24 freshman attending a Texas university were computed and compared to the total cost for 20 Oklahoma state university students.The U statistic was calculated to be 38.78 based on the sample sizes of 24 and 20.What is the z value for this test?

• A) 0.133
• B) -4.74
• C) 240
• D) 42.43
• E) 8.75

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Definitions:

Average Cost Method

An inventory costing method where the cost of goods sold and remaining inventory is calculated based on the weighted average of all purchases.

Tennis Rackets

Sporting equipment consisting of a handle and a frame with tightly interlaced strings, used for striking tennis balls.

Balance On Hand

The amount of cash or resources available in an account at any given time.

Units Out

The quantity of products sold or distributed from inventory over a specific time period.