A Lab Technician Is Tested for Her Consistency by Making

question 28

Multiple Choice

A lab technician is tested for her consistency by making multiple measurements of the cholesterol level in one blood sample. The target precision is a standard deviation of 1.4 mg/dL or less. If 16 measurements are taken and the standard deviation is 2.1 mg/dL, is there enough evidence to support the claim that her standard deviation is greater than the target, at = .01?

• A) Yes, since the χ² test value 33.750 is greater than the critical value 32.000.
• B) No, since the χ² test value 22.50 is less than the critical value 30.578.
• C) Yes, since the χ² test value 33.750 is greater than the critical value 30.578.
• D) No, since the χ² test value 22.50 is less than the critical value 32.000.

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Definitions:

Economic Entity

An organization or unit in society that has the ability to conduct economic activities, such as businesses or governments.

Indirect Non-Controlling Interest

A stake in a company held through another holding, offering a non-direct route of control or influence over the business operations of the subsidiary.

Subsidiary

A company that is fully or partly owned and wholly controlled by another company, which is referred to as the parent company.

Shares

Units of ownership interest in a corporation or financial asset, representing a portion of the corporation's equity.