A student investigates the relationship between the luminosity of a star and its mass. The student obtains data of relative luminosity $$\(\lambda\)$$ and relative mass $$\(\mu\)$$ for six stars, where $$\[ \lambda=\frac{\text { luminosity of star }}{\text { luminosity of Sun }} \]$$ and $$\[ \mu=\frac{\text { mass of star }}{\text { mass of Sun }} \]$$ It is suggested that $$\(\lambda\)$$ and $$\(\mu\)$$ are related by the equation $$\[ \lambda=k \mu^{n} \]$$ where $$\(k\)$$ and $$\(n\)$$ are constants. （b）Values of $$\(\mu\)$$ and $$\(\lambda\)$$ are given in Table 2．1． Calculate and record values of $$\(\lg \mu\)$$ and $$\(\lg \lambda\)$$ in Table 2．1． Include the absolute uncertainties in $$\(\lg \mu\)$$ ． ［2］

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