Processed straw as thermal insulation. An article published in Engineering Structures and Technologies (Sept. 2012) presented the

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Processed straw as thermal insulation. An article published in Engineering Structures and Technologies (Sept.

2012) presented the results of a study on the use of processed straw as thermal insulation for homes. Chopped straw specimens were prepared and tested for thermal conductivity at a temperature of 10° Celsius. Two variables were measured for each of 25 straw specimens:

y = thermal conductivity (watts per meter-Kelvin) and x = density (kilograms per cubic meter). The data are provided in the accompanying table. Consider the quadratic model E1y2 = b0 + b1x + b0x2. Conduct a complete analysis (including a residual analysis) of this model.

Summarize your results in a report.image text in transcribed

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