fest aspxitestld-1768ys a Secure https://www.mathxl.com/Student/Player Elementar

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fest aspxitestld-1768ys a Secure https://www.mathxl.com/Student/Player Elementary Statistics Math 274-08 (Online) Quiz: Chapter 3 Review Quiz Tme Remaining 00-19.35 Sutmit ouz This Question: 1 pt 7 of 12 (6 complete) This Quiz: 12 pts possible Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 73 3 Mbps. The complete list of 50 data speeds has a mean of x 15.29 Mbps and a standard deviation of s 37.18 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 carriers highest data speed to a z score d. If we consider data speeds the carrier's highest data speed significant? that convert to z scores between -2 and 2 to be neither significantly low nor significantly high, is 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

Explanation / Answer

a) differnce is 73.3-15.29=58.01

b) number of std deviation =58.01/37.18=1.56

c) z score =1.56

d) ....is neither significantly low neither significacntly high

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