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Convert the carrier highest data speed to a z score

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Reference no: EM132850501

Researchers measured the data speeds for a particular smartphone carrier at 50 airports. The highest speed measured was 75.7 Mbps. The complete list of 50 data speeds has a mean of x = 16.39 Mbps and a standard deviation of s = 37.44 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?

Reference no: EM132850501

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