We are going to calculate the standard deviation for the following set of sample data. 11,3,9,12,1 1) First, calculate the mean. X= 2) Fill in the table below. Fill in the differences of each data value from the mean, then the squared differences. 3) Calculate the standard deviation. Standard deviation: Σ(x-x)² n-1 8= 8 11 3 9 12 1 xx (x - x)² Total Round to two decimal places

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