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Question 1 - Alternative Formula for the Sample Variance We have seen that the sample variance formula is ?! = ? ($! &$?) #
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)
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