Consider the Following to Answer the Question(s) Below

Multiple Choice

Consider the following to answer the question(s) below:
To test the fuel efficiency of three new car models, random samples of twenty were selected from each of the models and litres/100 kilometres data obtained. Partial output follows.
-What is the mean square due to the error?

A) 0.57
B) 0.82
C) 0.03
D) 0.55
E) 1.63