On the first day, the researcher runs 10 kangaroo rats, which receive the following scores: $\begin{array}{1lllllllllll}6 & 7 & 5 & 7 & 6& 4 & 8 & 7 & 8 & 7\end{array}$ Fill in the missing values in the following frequency table. Table 1: Scores of Kangaroo Rats \begin{tabular}{111) \hline X & $\mathrm{f}$ & $\mathrm{fX}$ \hline & Nrms Investigated & Number of Rats & Total Arms Investigated \hline & 1 & 4 & 5 W \hline & 1 & W \hline 8 & 4 & W \hline \end{tabular) SP.AS351