Problem

The confidence interval was $(67,85)$ What was the point estimate? What was the margin of error?

Solution

Step 1 :The confidence interval was (67,85).

Step 2 :The point estimate is the midpoint of the confidence interval, which can be calculated by averaging the lower and upper bounds of the interval. So, \(\frac{67+85}{2} = 76.0\)

Step 3 :The margin of error is the difference between the point estimate and either the lower or upper bound of the confidence interval. So, \(85 - 76.0 = 9.0\)

Step 4 :Final Answer: The point estimate is \(\boxed{76.0}\) and the margin of error is \(\boxed{9.0}\).

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Source: https://solvelyapp.com/problems/G0fWFw47BW/

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