We are going to calculate the standard deviation for the following set of sample data. 4,13,7,12,7 1) First, calculate the mean. I 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= - x 4 13 7 12 7 3 18 x Total (x − x)² Round to two decimal places
please please help me it's due in 10 minutes