Find the least squares estimate of the Intercept =   Find the least squares estimate of the slope =

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Find the least squares estimate of the Intercept =

 

Find the least squares estimate of the slope =

 

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An article in the Journal of the American Ceramic Society, "Rapid Hot-Pressing of Ultrafine PSZ Powders" (1991, Vol. 74, pp. 1547-1553)
considered the microstructure of the ultrafine powder of partially stabilized zirconia as a function of temperature. The data are shown below:
x = Temperature (°C)|1100 1200 1300 1100 1500 1200 1300
y = Porosity (%)
30.8
19.2
6 13.5 11.4
7.7
3.6
Find the least squares estimate of the intercept.
Transcribed Image Text:An article in the Journal of the American Ceramic Society, "Rapid Hot-Pressing of Ultrafine PSZ Powders" (1991, Vol. 74, pp. 1547-1553) considered the microstructure of the ultrafine powder of partially stabilized zirconia as a function of temperature. The data are shown below: x = Temperature (°C)|1100 1200 1300 1100 1500 1200 1300 y = Porosity (%) 30.8 19.2 6 13.5 11.4 7.7 3.6 Find the least squares estimate of the intercept.
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