x is a set containing 8 different positive odd numbers. y is a set containing 7 different numbers, all of which are members of S. Which of the following statements CANNOT be true? Choose the correct answer.
A) The range of y is even.	B) The mean of x is even.	C) The mean of y is even.	D) The range of x is equal to the range of y.	E) The median of y is equal to the mean of y.
Given: x is a set containing 8 different positive odd numbers   Easily inferred: y is a set containing 7 differentoddnumbers   (A) The range of y is even. - Always even, since it is a difference of two odd numbers   (B) The mean of x is even. - can be. suppose 8 numbers consist of 4 pairs of (16n-1,16n+1) for different values of n. Adding these will give a multiple of 16, which when divided by 8 (to arrive at mean), will give an even number   (C) The mean of y is even. - Cannot be. Mean = (sum of 7 odd numbers)/7 = Odd number/odd number thus cannot be even.   (D) The range of x is equal to the range of y.   (E) The median of y is equal to the mean of y   Option The mean of y is even.
<result>C</result>
x is a set containing 8 different positive odd numbers. y is a set containing 7 different numbers, all of which are members of S. Which of the following statements CANNOT be true?