0/1 pt 9 5 3 99 0 Details Question 14 We are going to calculate the standard deviation for the following set of sample data. 7,8, 12,7,3 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. I (I - 1)- X 12 Total Standard deviation: E(x - 1)2 n- 1 Round to two decimal places Question Help: Video Submit