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Sample Mean

-1,000,0001,000,000

Standard Deviation

01,000,000

Sample Size (n)

21,000,000

Confidence Level

Lower Bound

48.04

The lower end of the confidence interval.

Margin of Error

1.960

The plus-or-minus range around your sample mean.

Upper Bound

51.96

The upper end of the confidence interval.

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