When Should Hand Washing Be Performed

question 20

Multiple Choice

When should hand washing be performed?

• A) Before and after patient contact
• B) After sneezing, coughing, or nose blowing
• C) After removing gloves
• D) Hand washing should be performed after all of the above activities.

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Definitions:

Variance

A measure of the spread of a set of values, calculated as the average of the squared deviations from the mean.

Population Mean

The average of all the values in a population, calculated by summing all the values and dividing by the count of values.

Sample Mean

The average value computed from a sample of data, used to estimate the population mean.

Descriptive Measures

Statistical calculations used to summarize or describe characteristics of a dataset, including measures like count, mean, median, and mode.