You Have a Partially Filled Party Balloon with 2

question 38

Multiple Choice

You have a partially filled party balloon with 2.00 g of helium gas. You then add 3.45 g of hydrogen gas to the balloon. Assuming constant temperature and pressure, how many times bigger is the party balloon - comparing before and after the hydrogen gas has been added?

• A) 3.42 times bigger
• B) 7.85 times bigger
• C) 4.42 times bigger
• D) 6.85 times bigger
• E) 5.45 times bigger

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Definitions:

Multistage Cluster Sampling

Sampling based on first sampling large units such as states or provinces and then sampling smaller units such as towns, city blocks, and so on.

Sampling Frames

The list or database from which a sample is drawn, representing the entire population or target group for a specific study.

Census

A study of every member of a population.

Sampling Frames

Databases or lists that are used to define and select the sample in a research study for the purpose of making generalizations about a population.