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

Question

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

Quizplus · Accepted Answer

The mean square due to error is calculated as the sum of squares due to error divided by the degrees of freedom associated with the error. Without specific data, it's impossible to calculate or verify the exact value, but if this is the answer provided in a specific context or example, A (0.57) would be the correct choice.

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