Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 77.4 Mbps. The complete list of 50 data speeds has a mean of x= 16.36 Mbps and a standard deviation of s= 35.28 Mbps a. What is the difference between carrier's highest data speed and the mean of all 50 data speeds? b. How many standard deviations is that [the difference found in part (a)]? c. Convert the carrier's highest data speed to a z score. d. If we consider data speeds that convert to z scores between -2 and 2 to be neither significantly low nor significantly high, is the carrier's highest data speed significant? a. The difference is Mbps. (Type an integer or a decimal. Do not round.) b. The difference is standard deviations. (Round to two decimal places as needed.) c. The z score is z= (Round to two decimal places as needed) d. The carrier's highest data speed is significantly low significantly high not significant CCIDE

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