Auniversity administered the servqual survey to its customers as a way to assess its current position in the market. on the basis of 80 responses, the following averages were computed for the reliability construct. item number# #1 #2 #3 #4 avg. perception 6.2 6.3 6.5 6.9 avg. expectation 6.6 6.2 6.7 6.5 what is the difference for the reliability dimension?