A New Machine Is Set or Calibrated to Fill Tubes

question 91

Multiple Choice

A new machine is set or calibrated to fill tubes of toothpaste at precisely 6.75 ounces. Then, once the machine is running, a sample of 6 tubes is taken every three hours and weighed with the following results: What is X bar for 7 pm?

• A) 6.71
• B) 6.72
• C) 6.74
• D) 6.76

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Definitions:

FDA

The Food and Drug Administration, a federal agency responsible for protecting public health by ensuring the safety of food, drugs, and medical devices.

ADHD

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

Controlled Trials

Experimental studies in which participants are randomly assigned to a treatment or control group to measure the effect of interventions.

Beta Blockers

A class of medications that reduce blood pressure by blocking the effects of the hormone epinephrine, also known as adrenaline, on the heart and blood vessels.