CUET Mathematics 2026 26th May Shift 2 PYQs

Which of the following are the components of a time series?

(A) Cyclic component

(B) Regular component

(C) Seasonal component

(D) Economic component

Choose the correct answer from the options given below:

If three year moving averages for five data items given by 16, 18, 20, 10, 21 are $x$, $y$ and $z$ respectively, then:

If $(t_1, y_1)$, $(t_2, y_2)$,......,$(t_n, y_n)$ denote the time series and $y_t$ are the trend values of the variables $y$, then