A large online store prides itself on its fast response to email questions to its technical department. Listed below is the time, in hours, that the technical department took to respond to 27 sample emails. 51.80 37.16 58.36 60.44 51.24 49.64 39.56 43.16 54.36 51.40 54.52 57.72 64.60 56.68 56.60 60.76 50.76 55.48 50.44 58.63 49.64 55.64 46.84 54.84 57.80 47.08 51.40 The store has recently hired more staff members, and wants to know if the time to respond to emails has dropped from last year's average of 55.27 hours. At the 0.1 signicance level, is it reasonable to conclude the average response time is less than last year's average? Follow the steps below to answer this question. a) Select the null and alternative hypotheses. O Ho: u