Food Inspectors Need to Estimate the Level of Contaminants in Food

question 43

Multiple Choice

Food inspectors need to estimate the level of contaminants in food products packaged at a certain
Factory. Initial tests were based on a small sample but now the inspectors double the sample size for
A follow-up test. The main purpose of the larger sample is to…

• A) reduce response bias.
• B) decrease the standard deviation of the sampling model.
• C) reduce non-response bias.
• D) reduce confounding due to other variables.
• E) decrease the variability in the population.

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Definitions:

ADHD

Attention Deficit Hyperactivity Disorder, a neurodevelopmental disorder characterized by inattention, impulsiveness, and hyperactivity.

Stimulant Medications

Drugs that increase alertness, attention, and energy by boosting the levels of certain neurotransmitters in the brain.

Sedatives

Drugs that soothe or quiet restlessness or agitation.

Classical Conditioning

A simple form of learning in which one stimulus comes to bring forth the response usually elicited by a second stimulus by being paired repeatedly with the second stimulus.