Find the Z-Score Corresponding to the Given Value and Use

question 75

Multiple Choice

Find the z-score corresponding to the given value and use the z-score to determine whether the value is unusual. Consider a score to be unusual if it is at least three standard deviations above or Below the mean. Round the z-score to one decimal place, if necessary. A test score of 93.4 on a test having a mean of 73 and a standard deviation of 12.

• A)1.7; not unusual
• B)-1.7; not unusual
• C)1.7; unusual
• D)20.4; unusual

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Definitions:

Cost of Goods Sold

The direct costs attributable to the production of the goods sold by a company, including materials, labor, and overhead costs.

Net Income

The final amount of profit made by a company once it subtracts all costs and taxes from its overall revenues.

Ending Inventory

The value of goods available for sale at the end of an accounting period, calculated by adding purchases to beginning inventory and subtracting sold goods.

Current Period

The specific timeframe or duration currently under consideration, often used in financial and operational reporting.