Suppose You Are Testing the Null Hypothesis That a Population

question 45

Multiple Choice

Suppose you are testing the null hypothesis that a population mean is less than or equal to 46, against the alternative hypothesis that the population mean is greater than 46.The sample size is 25 and α =.05.If the sample mean is 50 and the population standard deviation is 8, the observed z value is _______.

• A)2.5
• B)-2.5
• C)6.25
• D)-6.25
• E)12.5

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Definitions:

Semiannually

Happening biannually or once every six months.

Ending Inventory

The total value of all the goods remaining unsold at the end of an accounting period.

Cost of Goods Sold

Costs directly connected with the manufacture of goods a company sells, including both materials and workforce expenses.

Beginning Inventory

The value of all the inventory held by a business at the start of an accounting period.