A company ran tests of its current internal computer network to measure how rapidly data moved through the network given the current demand. Twenty files ranging in size from $20$ to $100$ megabytes$($MB$)$ were$$ transmitted, and the time to send the files$($in seconds$)$ recorded. Two types of software$("$MS$"$ and$"$NP$")$ were used to transfer the$$ files, identified by the column labeled Vendor in the accompanying data table. Complete parts$($a$)$ through$($e$).$