Construct stem and leaf displays of both floor area and cost. Explain it. b. Do the values of cost appear to be perfectly linearly related to the floor area values? c. Construct a scatterplot of the data. Does it appear that cost could be accurately predicted by the value of floor area? Explain reasoning.
2. In the article “Case Adaptation Method of CaseBased Reasoning for Construction Cost Estimation in Korea” (J. Constr. Engr. Mgmt., 2012: 43–52) provided data on military barrack projects undertaken by the Korean Ministry of National Defense from 2004 to 2008.
Two variables of interest were the floor area of a barrack and the corresponding cost (in $US). The corresponding data is given in the attached image:
a. Construct stem and leaf displays of both floor area and cost. Explain it.
b. Do the values of cost appear to be perfectly linearly related to the floor area values?
c. Construct a scatterplot of the data. Does it appear that cost could be accurately predicted by the value of floor area? Explain reasoning.
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