An Insurance Company Has Conducted a Study of Its Accident

Multiple Choice

An insurance company has conducted a study of its accident claim experience and the size of the automobile involved in the accident.A random sample of its claim files over the past 12 months was selected and claims were categorized according to the size of car (compact,midsize,or large) ,and also according to the amount of damage (minor,extensive,or write-off) .The following table summarizes the results for the sample of 360 claims. The appropriate test in this situation and its degrees of freedom are

A) a t test with 8 degrees of freedom.
B) a test with 1 degree of freedom.
C) a test with 4 degrees of freedom.
D) a z test with infinite degrees of freedom.
E) a test with 8 degrees of freedom.