Consider the Following ANOVA Table The Number of Observations in All Samples Is

Short Answer

Consider the following ANOVA table: $$\begin{array} { | l | c | c | c | c | } \hline \text { Source of Variation } & \text { SS } & d f & M S & F \\\hline \text { Treatments } & 128 & 4 & 32 & 2.963 \\\hline \text { Error } & 270 & 25 & 10.8 & \\\hline \text { Total } & 398 & 29 & & \\\hline\end{array}$$ The number of observations in all samples is: $\begin{array}{|l|l|}\hline \text { A. } & 25 . \\\hline \text { B. } & 29 . \\\hline \text { C. } & 30 . \\\hline \text { D. } & 32 . \\\hline\end{array}$