Volume (m3) 45 Volume vs. Weight 40 35 30 25 20 15 10 5 0 0...
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Volume (m3) 45 Volume vs. Weight 40 35 30 25 20 15 10 5 0 0 10 20 30 Weight (tonnes) 40 40 Figure 1. Volume plotted over weight for the 10 sampled trucks. 1. Based on Figure 1, answer the following: a. Do you think truck weight is linearly related to volume? Explain in 1-2 sentences. b. Does the data meet the assumption that the relationship between X and Y passes through the origin? Y = a+bX b= - a= - N Where, N= number of observations, or years X = a year index (decade) Y population size for given census years Volume (m3) 45 40 35 30 25 20 15 10 Volume vs. Weight 50 0 0 10 20 30 40 10 Weight (tonnes) Figure 1. Volume plotted over weight for the 10 sampled trucks. Volume (m3) 45 Volume vs. Weight 40 35 30 25 20 15 10 5 0 0 10 20 30 Weight (tonnes) 40 40 Figure 1. Volume plotted over weight for the 10 sampled trucks. 1. Based on Figure 1, answer the following: a. Do you think truck weight is linearly related to volume? Explain in 1-2 sentences. b. Does the data meet the assumption that the relationship between X and Y passes through the origin? Y = a+bX b= - a= - N Where, N= number of observations, or years X = a year index (decade) Y population size for given census years Volume (m3) 45 40 35 30 25 20 15 10 Volume vs. Weight 50 0 0 10 20 30 40 10 Weight (tonnes) Figure 1. Volume plotted over weight for the 10 sampled trucks.
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