Consider the following data set that has a mean of 8: 6, 7, 9, 10 Using the equation below or the standard deviation formula in Excel, calculate the standard deviation for this data set. ⁿ S= √1/n-1 Σ (Xᵢ - X)² i=1 a.) 3.16 b.) 1.83 c.) 1.58 d.) 0.95
