Overview
1. Answer the questions for CASE STUDY 3.3: “A Quality Control Decision”
2. Given the glucose Level 1 control mean of 100 mg/dL and the standard deviation is 4 mg/dL, what is the coefficient of variation? (Show your work)
3. Calculate the mean, standard deviation, and plot the numbers in a Levy Jennings Chart, and mention what remedial actions should be taken based on the Day 10 result, what Westgard Rule is violated.
DAY RESULT
1 96
2 97
3 95
4 107
5 106
6 107
7 100
8 103
9 106
10 89
(Show your work)
4. A manufacturer evaluates a new pregnancy test. The manufacturer enlists 500 study subjects, 190 pregnant females (of whom 150 had a positive test) and 310 nonpregnant females (of whom 296 had a negative test). What is the sensitivity of the assay?
Positive Test Negative Test
Pregnant 150 40
Non-Pregnant 14 296
(Show your work)
Please read the article, "Bench Matters":
https://www.aacc.org/cln/articles/2017/january/bench- matters-january-2017
Write in your own words (minimum of 150-word requirement, two paragraphs, 12 font, New Roman) about what quality control is, the good, and the logistics challenge. Expand your discussion using at least one scientific, text-book reference.
Be sure you
1) properly reference the source of your information using MLA format
- Posts must be completed using the student’s own original writing: Students are required to review the topic and write discussion posts using their own words ( Do not plagiarize)
- Posts must follow proper writing and format, grammar, punctuation, sentence and paragraph structure, and references/in-text citation.
- Cutting and pasting words, sentences from web sites, books or AI platforms as part of the answer is prohibited and is considered plagiarism/cheating.
- Posts deemed as plagiarism earn 0 points.