Use the Following Information for Following Questions

question 29

Multiple Choice

Use the following information for following questions:
A group of 500 patients who suffer from hypothyroidism, a condition in which your thyroid does
not produce enough of certain hormones, were asked to participate in a study to determine
the effectiveness of a new medication. The patients were randomly divided into two groups,
one that was given the actual medication, and one that received a placebo pill. The results of
the study are below.
-Was the new medication effective in treating hypothyroidism?

• A)Yes, a higher percent of patients who took the medication had improved symptoms than the patients who took the placebo.
• B)Yes, both groups had more patients with improved symptoms.
• C)No, the patients who took the placebo also had improved symptoms.
• D)No, this was not a controlled experiment.

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Definitions:

LTPD

The Lot Tolerance Percent Defective, which refers to the maximum acceptable defect rate in a sample lot for the lot to be accepted.

Quality Control Chart

A graphical tool used in process monitoring to analyze and understand variability in production or service delivery.

Defects Per Unit

A measure of the average number of defects found in each unit of a product.

Acceptance Sampling

A statistical quality control method used to decide whether to accept or reject a batch of material based on the inspection of a sample, aiming to ensure product quality while minimizing inspection costs.