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In a sample of 1000 students from four-year colleges, the mean score on a quantitative literacy test was 310 with a standard deviation of 132.

In a sample of 1000 students from four-year colleges, the mean score on a quantitative literacy test was 310 with a standard deviation of 132. Find the margin of error for this estimate at a confidence level of 95%.

Round your answer to 4 decimal places.

Margin of error =

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