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Question: The file MobileSpeed contains the overall download


The file MobileSpeed contains the overall download and upload speeds in mbps for nine carriers in the U.S.
Source: Data extracted from “Best Mobile Network 2016,” bit.ly/1KGPrMm, accessed November 10, 2016.
a. Compute the covariance between download speed and upload speed.
b. Compute the coefficient of correlation between download speed and upload speed.
c. Based on (a) and (b), what conclusions can you reach about the relationship between download speed and upload speed?

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