D Question 8 1 pts According to PEMDEAS, in the formula EX2 - ((EX)2 / N), you should first _the second term and then it from the first term. O simplify; subtract O subtract; add O subtract; simplify O add; subtract D Question 9 1 pts The square root of of will result in the standard deviation for a just as the square root of s will produce the standard deviation for a O sample: population O variance; standard deviation population; sample standard deviation; variance