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.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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mean of x = 18.68 Mbps and a standard deviation of
Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 76.6 Mbps. The complete list of 50 data speeds has
s= 37.17 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 az score.
Transcribed Image Text:mean of x = 18.68 Mbps and a standard deviation of Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 76.6 Mbps. The complete list of 50 data speeds has s= 37.17 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 az score.
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