A Researcher Invokes a Pilot Sample and Finds That Respondents

question 36

Essay

A researcher invokes a pilot sample and finds that respondents from households
with less than $50,000 annual income respond very differently than respondents from households with greater than $50,000 annual income,with regard to the key survey questions.In addition,the researcher's preliminary results show greater variance among respondents in the over $50,000 households.Given the preceding,which probability sampling method should the researcher invoke and why?

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Definitions:

Checks

Written, dated, and signed instruments that direct a bank to pay a specific sum of money to the bearer or a named party.

Collection Delay

The time it takes for a business to receive payments owed by its customers after the sale or service has been delivered.

Miller-Orr Model

A model used in financial management to manage cash flows and liquidity levels, determining the optimal cash balance levels.

Weekly Interest Rate

The interest rate quoted or applied to a loan or savings account on a weekly basis.