THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 56

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
An auditor,examining a total of 650 accounts receivable by a corporation,selected a random sample of 45 accounts.The sample mean is $108.34 and the sample standard deviation is $30.85.
-A director of marketing research needs a sample of households to participate in the testing of a new toothpaste package.She directs five members of her staff to find five households each.This is an example of:

• A)cluster sampling.
• B)stratified sampling.
• C)quota sampling.
• D)systematic sampling.

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Definitions:

Hot Chocolate Sales

The commercial activity of selling hot chocolate, often used as an example in economic studies of seasonal demand.

Volunteer Bias

A distortion in research results due to differences between those who choose to participate in studies and those who do not.

Experimenter's Bias

A form of bias in research where the outcomes are influenced by the researcher's expectations or preferences.

Confirmation Bias

A cognitive bias that leads individuals to give more weight to evidence that confirms their existing beliefs and dismiss evidence that contradicts them.