SOLUTION: Fifteen (15) widgets are randomly taken from an assembly line and measured for quality control. The widgets have an average weight of 38.5 grams with a standard deviation of 3.5 g

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Question 671768: Fifteen (15) widgets are randomly taken from an assembly line and measured for quality control. The widgets have an average weight of 38.5 grams with a standard deviation of 3.5 grams. What is the margin of error of the widgets on the assembly line?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Fifteen (15) widgets are randomly taken from an assembly line and measured for quality control. The widgets have an average weight of 38.5 grams with a standard deviation of 3.5 grams. What is the margin of error of the widgets on the assembly line?
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Note: Standard error is the word used to describe the standard deviation.
Margin of error should have some level of confidence associated with it.
Your problem statement does not.
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ME = z*s where z relates to a level of confidence.
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Cheers,
Stan H.