It is assumed that quantization error, e(n) is a sequence of random variables where1. The statistics do not change with time.2. It is a sequence of uncorrelated random variables.3. It is uncorrelated with the quantizer input x(n).4. The probability density function is uniformly distributed over the range of values of quantization error.Which of the above statements are correct?

It is assumed that quantization error, e(n) is a sequence of random va

1.	It is assumed that quantization error, e(n) is a sequence of random variables where1. The statistics do not change with time.2. It is a sequence of uncorrelated random variables.3. It is uncorrelated with the quantizer input x(n).4. The probability density function is uniformly distributed over the range of values of quantization error.Which of the above statements are correct?
A.	1, 2 and 3 only
B.	1, 2 and 4 only
C.	3 and 4 only
D.	1, 2, 3 and 4
Answer» C. 3 and 4 only