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The formula for the standard deviation of a sample is: Select the true statement for the following data set that has a meanof 8: 4,

The formula for the standard deviation of a sample is:

Select the true statement for the following data set that has a meanof 8: 4, 6, 6, 6, 9, 9, 12, 12 Answer choices are rounded to the hundredths place.

The variance is 8.86 and the standard deviation is 2.98.

The variance is 7.50 and the standard deviation is 2.98.

The variance is 8.86 and the standard deviation is 7.50.

The variance is 2.98 and the standard deviation is 8.86.

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