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Mathematics, 19.03.2021 18:30 hdhdhd49jdhd

9. The data set below gives the scores of seven people on a history test. Which correctly gives the standard deviation and variance of the data set? {74, 78, 83, 89, 90, 92, 96} A. Standard Deviation = 53.2; Variance = 7.3
B. Standard Deviation = 53.2; Variance = 86
C. Standard Deviation = 7.3; Variance 53.2
D. Standard Deviation = 86; Variance = 53.2​

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