Is There a Significant Difference Between the Means for Vending

Multiple Choice

Is there a significant difference between the means for vending machines A, B, and C?

A) Yes, there is a significant difference between the means.
B) No, there is no significant difference between the means.
C) The F-test cannot be used to answer whether or not there is a significant difference between the means.
D) The Scheffé test needs to be performed in order to determine whether or not there is a significant difference between the means.