Respuesta :
Answer: 6
Step-by-step explanation: Margin of error, or half-width of an interval, is half the width(range) of an interval so 38-26= 12 and 12/2=6
Margin of error is 6
What is margin of error?
"The margin of error is equal to half the width of the entire confidence interval."
Every confidence interval takes on the following form:
Confidence Interval = [lower bound, upper bound]
According to the question
80% confidence interval is found to be (26,38)
Formula to find margin of error
Margin of error is half width of an interval, is half the width(range) of a confidence interval
Width of the confidence interval = 38 - 26 = 12
Margin of error = half the width(range) of the confidence interval
= [tex]\frac{1}{2} (12)[/tex]
= 6
Hence, Margin of error is 6
Learn more about margin of error here
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