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Mathematics, 23.09.2020 17:01 SDFGHJKdd
The formula for the standard deviation of a sample is: s equals square root of fraction numerator 1 over denominator n minus 1 end fraction sum from i equals 1 to n of (X subscript i minus X with bar on top )squared end root
Select the true statement for the following data set that has a mean of
9, 3, 7, 8, 8, 8, 9, 10, 10, 13, 14
Answer choices are rounded to the hundredths place.
A. The variance is 8.50 and the standard deviation is 3.09.
B. The variance is 3.09 and the standard deviation is 9.56.
C. The variance is 9.56 and the standard deviation is 8.50.
D. The variance is 9.56 and the standard deviation is 3.09.
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