A Medical Researcher Interested in Asthma Symptoms Wanted to Know

question 142

Multiple Choice

A medical researcher interested in asthma symptoms wanted to know how symptoms were affected in dry versus humid conditions.The researchers recruited 18 asthma patients to spend four weeks under two conditions: sleeping with a dehumidifier for two weeks to create a "dry" environment and sleeping with a humidifier for the remaining two weeks to create a "humid" environment.Patients were asked to rate their symptoms at regular intervals using a scale from "0 - no symptoms" to "20 - maximum asthma symptoms." The change in asthma symptoms from dry to humid conditions was 5.82, showing a reduction of symptoms in humid conditions.What was the descriptive statistic in this study?

• A) change in responses on the scale of 5.82 on average
• B) four weeks, with two weeks under each condition
• C) 18 asthma patients
• D) two sleeping conditions, dry and humid

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Definitions:

Operating Data

Information related to the operations of a business, including production volumes, sales, and expenses, used for decision-making and performance evaluation.

Margin

The difference between the selling price of a product and the cost of goods sold, expressed as a percentage of the selling price.

Investment Opportunity

A situation in which an individual or organization has the possibility to invest in something that has the potential to yield financial returns.

Margin

The difference between the selling price of a good or service and its cost, often expressed as a percentage of the selling price.