Explain the Sources of Bias in Sampling

question 31

Essay

Explain the Sources of Bias in Sampling
-A local hardware store wants to know if its customers are satisfied with the customer service they receive. The store posts an interviewer at the front of the store to ask the first 50 shoppers who leave the store, How satisfied, on a scale of 1 to 10, were you with this store s customer service Determine the type of bias.

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Definitions:

Warranty Work

Repair or replacement services provided at no charge, covered under a product’s warranty, usually to fix defects or malfunctions within a specific period after purchase.

Sales Price

The amount a customer pays or is charged for a product or service.

Part Replacement

The process of substituting a defective, broken, or outdated component of a machine or system with a new one.

Radioactive Materials

Substances that emit radiation, often used in medical treatments, research, and power generation.