An Analyst Is Assigned a Blind Quality Control Sample of Blood

question 14

Multiple Choice

An analyst is assigned a blind quality control sample of blood containing a drug metabolite. He tests ten separate portions and obtains the following data for the concentration in ug/mL:
25.2
24.8
26.6
27.0
24.0
26.0
25.5
26.3
24.9
23.9
Calculate the %RSD using the sample standard deviation and report to two significant figures. Use a spreadsheet or calculator.

• A) 3.9
• B) 1.5
• C) 4.2
• D) 4.8

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Definitions:

Present-Oriented

A mindset or attitude where an individual's focus and priorities are concentrated on the current moment and immediate experiences.

Hypertension

A chronic medical condition where the blood pressure in the arteries is persistently elevated, often leading to serious health issues.

Indigenous Healthcare

Health care practices and systems that are rooted in local culture and knowledge, often integrating traditional and modern medical approaches.

Aleut Descent

Refers to individuals or populations originating from or having ancestry related to the Aleut people, indigenous to the Aleutian Islands and parts of Alaska.