In a Completely Randomized Experimental Design Involving Five Treatments, 13 $= 200$

Multiple Choice

In a completely randomized experimental design involving five treatments, 13 observations were recorded for each of the five treatments (a total of 65 observations) .Also, the design provided the following information. SSTR $= 200$ (Sum of Squares Due to Treatments)
SST $= 800$ (Total Sum of Squares)
The sum of squares due to error (SSE) is

A) 1000.
B) 600.
C) 200.
D) 1600.