Question 1 - Alternative Formula for the Sample Variance We have seen that the sample variance formula is ?! = ? ($! &$?) # " !$% )&* . Using properties of summations, show that the sample variance can also be written as: ?! = (? +& ") # !$% - .$? " )&* . (1 point)

Question 1 Alternative Formula for the Sample Variance We have seen that the sample variance formula is 2?=1(x x)2 fir-1 32: Using properties of summations, show that the sample variance can also be written as