Which of the following statement is true about the following two data sets?

Data Set-I: 4, 3, 5, 7, 6
Data Set-II: 2, 10, 1, 9, 3
(A) mean and variance are equal
(B) mean and variance are not equal
(C) mean is equal but variance is not
(D) variance is equal but mean is not

The answer is: (C) mean is equal but variance is not
Here, Mean(Data1)=5, Mean(Data2)=5. But, Var(Data1)=2.5, Var(Data2)=17.5