The mean is the middle, so take 15 + 27, then divide by 2.
The margin of error will be the difference between the mean and the upper bound or the mean and the lower bound.
Determine the point estimate of the population mean and margin of error for the confidence interval.
Lower bound is 15, upper bound is 27.
A)The point estimate of the population mean is ________.
B) The margin for error for the confidence interval is _______.
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2 answers