Let ut, t= 1,2,, be i.i.d. x2 random variables with v degrees of freedom. Consider the...

Transcribed Image Text:

Let ut, t= 1,2,, be i.i.d. x2 random variables with v degrees of freedom. Consider the time series x = 0.5+3(u, v), t = 1, 2, ... (a) Find the mean and variance of ut. (b) Find the mean and variance of t. (c) Determine whether , is weakly stationary. Let ut, t= 1,2,, be i.i.d. x2 random variables with v degrees of freedom. Consider the time series x = 0.5+3(u, v), t = 1, 2, ... (a) Find the mean and variance of ut. (b) Find the mean and variance of t. (c) Determine whether , is weakly stationary.

Answer rating: 100% (QA)

Ans Let ut t 1 2 be iid x random variables with v degree of freedom the time series of Xt 053ut v t ... View the full answer