An Office Building Janitorial Company Is Interested in the Opinions

question 4

Multiple Choice

An office building janitorial company is interested in the opinions of people who visit the office building on a typical day. He thinks that opinions of people who visit the office building in the morning could be different than those who visit later in the day and he does not want a biased sample. Which sampling method is likely to result in an unbiased sample?

• A)A large sample of people who visit the building that have been stratified by age.
• B)A cluster sample of all the people who visit the office building between 8:00 am and 9:00 am and between 5:00 pm and 6:00 pm.
• C)A systematic sample of every tenth person who visits the office building throughout the day.
• D)None of these.

Identify major veins in the human body and their specific functions.

Understand the concept of blood pressure, including systolic and diastolic measurements.

Recognize the components and significance of the hepatic portal system.

Explain the principles and methods of measuring blood pressure.

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Definitions:

Alternate Forms Reliability

The extent to which two versions of a test are consistent in their measurements across the same group of individuals.

Test-Retest Reliability

The consistency of an individual's score on the same test administered at two different times.

Validity

The extent to which a test, tool, or method accurately measures what it is intended to measure.

Parallel Forms Reliability

A measure of reliability used to assess the consistency of the results of two tests constructed in the same way from the same content domain.