SOLUTION: Express the confidence interval (325,583.8) in the form of ¯x ± ME

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Question 1148478: Express the confidence interval (325,583.8) in the form of ¯x ± ME
Answer by amarjeeth123(570) About Me  (Show Source):
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The midpoint of the interval is x=(325+583.8)/2=454.4
Next the error term is the distance from x to the end of the interval = 583.8-454.4=129.4
Finally we write the final form as 454.4+-129.4.