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 a 75% Chebyshev interval around the mean for x-values and y-values. Round your answers to the nearest hundredth. x: 11 0 35 20 24 22 23 –11 –11 –20 y; 8 –4 28 14 21 16 14 –4 –5 –8