K New System A department of transportation would like to measure the weights of commercial trucks Weight of a Truck (thousands of pounds) on its highways without the expense of maintaining weigh stations along the highway. Weigh stations aggravate truckers, are expensive to operate, and delay shipments. To Scale Weight see if a proposed remote weigh system was accurate, transportation officials conducted a test. They weighed trucks when stopped on a regular scale. They then used the remote system to estimate the weights. The data is shown to the right. Complete parts a through d. There is a strong, positive linear trend with (b) Find the correlation r for these data. (Typo little variation. 36.2 31.6 39.5 25.1 31 26 40.2 29.9 34.5 30.3 38 27 29.6 27.9 35.5 29.1

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