s. The highest speed measured was 72.7 Mbps. The complete list of 50 data speeds

Question

s. The highest speed measured was 72.7 Mbps. The complete list of 50 data speeds has a mean of x-17.89 Mbps and a standard deviation of s 33.88 Mbps. a. What is the diference between carrmers highest data speed and the mean of all 50 data speeds? b. How many standard deviations is that [the difference found in part (a)j? c. Convert the carries highest data speed to a z score d. Y 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 s signficant? a. The difference is Mbps (Type an integer or a decimal. Do not round b. The diference 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 camiers highest data speed is

Explanation / Answer

a)
The difference is 72.7 - 17.89 = 54.81 Mbps

b)
The difference is 54.81/33.88 = 1.6178 standard deviations

c) The z-score is z = 54.81/(33.88/sqrt(50)) = 11.44

d) The carrier's highest data speed is significantly high

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