Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 77.2 Mbps. The complete list of 50 data speeds has a mean of x= 18.27 Mbps and a standard deviation of s= 21.16 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.)
Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 77.2 Mbps. The complete list of 50 data speeds has a mean of x= 18.27 Mbps and a standard deviation of s= 21.16 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.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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