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A study was commissioned to find the mean weight of the residents in a certain town. The study found a confidence interval for the mean weight to be between 156 pounds and 176 pounds. What is the margin of error of the survey?

Answer :

Final answer:

The margin of error in this case would be 10 pounds, calculated by subtracting the lower limit of the confidence interval from the upper limit and dividing the result by 2.

Explanation:

In the field of statistics, the margin of error is used to indicate the range of uncertainty for a measurement or result. It gives us an idea of how close our survey estimates are to the real population's value.

In your study, the confidence interval for the mean weight is given as 156 pounds and 176 pounds. To calculate the margin of error, we subtract the lower limit of the confidence interval from the upper limit and divide the result by 2. Therefore, in this case, the margin of error would be (176 - 156) / 2 = 20 / 2 = 10 pounds.

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