The Time Required for a Citizen to Complete the 2010

question 63

Multiple Choice

The time required for a citizen to complete the 2010 U.S.Census "long" form is normally distributed with a mean of 40 minutes and a standard deviation of 10 minutes.What is the third quartile (in minutes) for the time required to complete the form?

• A) 44.75
• B) 46.75
• C) 47.50
• D) 52.50

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Definitions:

Average Prices

The sum of the prices of all items in a set divided by the number of items, used to give a central value of the dataset.

Levels

Different positions or stages in a hierarchical process, system, or organization; in statistics, it refers to the different conditions or values that an independent variable can take.

Text Messages

Brief electronic messages sent over a cell phone network, primarily consisting of text but sometimes including images or videos.

Treatments

In the context of experimental design, the different conditions or interventions that participants are exposed to in order to observe potential effects.