John Would Like to Conduct a Survey in His Neighborhood

question 43

Multiple Choice

John would like to conduct a survey in his neighborhood to get homeowners' opinion on Delmarva proposal to switch to natural gas. Which of the following is an example of a stratified sample?

• A) John randomly chooses three streets and selects every third house on those streets.
• B) John selects the first 25 homes that he passes as he walks into the entrance of the development.
• C) John selects every third house on each street.
• D) John divides the population into two-story, split-level, and ranch houses. Then, he selects a proportional amount of houses from each group.

Understand the concept of hypothesis and theory in scientific research.

Understand the components and functions of secondary reserves.

Identify the ownership and structural details of the Federal Reserve District Banks.

Comprehend the various monetary policy tools used by the Federal Reserve and their frequencies of use.

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Definitions:

Objective

Pertains to observations or measures that are not influenced by the observer's feelings, interpretations, or prejudice, and thus considered unbiased.

Inaccurate

Not correct, precise, or true; containing errors or mistakes.

Decay Theory

The hypothesis that memory fades and disappears over time if not used or revisited.

Interference

A phenomenon in which the learning of new information hampers the ability to recall previously learned information.