The Estimated Burden of Disease Caused by Pollution Is Calculated

question 67

Multiple Choice

The estimated burden of disease caused by pollution is calculated as the percentage of deaths and:

• A) average years of life lost.
• B) expected years of life lost.
• C) disability-adjusted life years.
• D) quality-adjusted life years.

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Definitions:

Standard Deviation

A parameter for evaluating the breadth of dispersion or difference in a set of figures.

Sample Proportion

The fraction of items in a sample meeting a certain criterion, representing a subset of the population fraction with that characteristic.

Sample Mean

The average value of a sample set of numbers, calculated by adding up all the observations and dividing by the number of observations.

Standard Error

The standard deviation of the sampling distribution of a statistic, typically the mean, indicating the accuracy of the sample mean compared to the population mean.