Are tech stоcks mоre vоlаtile thаn utility stocks? Let x be а random variable representing the annual percent return for a portfolio of technology stocks. Let y be a random variable representing the annual percent return for a portfolio of utility stocks. For the past few years, assume the following data. Compute the sample variance for variable x. Round your answer to two decimal places. 14 0 35 25 29 27 28 –14 –14 –25 6 –5 13 17 26 6 17 –5 –6 –6