z Scores In Exercises 5 8 express all z scores with tw GG international airport The complete list of 50 Verizon data speeds has a mean of x 17 60 Data Speeds in Appendix B the highest speed of 77 8 Mbps was measured at Atlanta s ATL Mbps and a standard deviation of s 16 02 Mbps a What is the difference between Verizon s data speed at Atlanta s international airport and the mean of all of Verizon s data speeds b How many standard deviations is that the difference found in part a c Convert Verizon s data speed at Atlanta s international airport to a z score d If we consider data speeds that convert to z scores between 2 and 2 to be neither signifi antly low nor significantly high is Verizon s speed at Atlanta significant ging the Verizon data speed of 0 8 Mhna