A Production Division Received 45 Responses to a Customer-Service Survey

question 369

Multiple Choice

A production division received 45 responses to a customer-service survey distributed to 100 purchasing departments randomly selected from all customers who made purchases in the prior 12 months. Which of the following is the most likely reason that the division manager would be concerned about nonresponse bias in this situation?

• A) The sample means and standard errors are more difficult to compute.
• B) Those who did not respond may be systematically different from those who did.
• C) The sample size is too small.
• D) Confidence intervals are narrower.

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Definitions:

Thalamus

A brain structure acting as a relay station for sensory information, excluding the sense of smell, to the cerebral cortex.

Median Section

a type of anatomical section that divides the body or an organ vertically into equal right and left halves.

Midbrain

A region of the brainstem playing a critical role in motor movement, particularly eye movements, and in auditory and visual processing.

Corpora Quadrigemina

A structure in the midbrain comprising four colliculi (two superior and two inferior) that are involved in visual and auditory processes.