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X Data table File Size (MB) Transfer Time (sec) 45 24.8 55 24.6 71 31.8 73 28.8 22 9.1 21 15.1 37 16.7 49 16.2

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X Data table File Size (MB) Transfer Time (sec) 45 24.8 55 24.6 71 31.8 73 28.8 22 9.1 21 15.1 37 16.7 49 16.2 93 40.9 22 20.5 44 21.7 99 41.8 91 36.2 67 22.2 98 44.3 36 22.2 82 35.1 56 22.3 66 23.8 97 32.2Before taking the plunge into videoconferencing, a company ran tests of its current internal computer network. The goal of the tests was to measure how rapidly data moved through the network given the current demand on the network. Twenty files ranging in size from 20 to 100 megabytes (MB) were transmitted over the network at various times of day, and the time to send the files (in seconds) recorded. Complete parts a through f below. Click the icon to view the data table. (a) Create a scatterplot of Transfer Time on File Size. Does a line seem to you to be a good summary of the association between these variables? Construct the scatterplot. Choose the correct graph below. O A. O B. O c. OD. 100- 50- 50- 109- File Size (MB) Transfer Time (sec) Transfer Time (sec) 25- File Size (MB) 25- 20- 50 0 50 25 20 60 100 20 60 100 25 File Size (MB) Transfer Time (sec) Transfer Time (sec) File Size (MB)

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