Which of the following statements are correct? A. If x_1,x_2,x_3,,x_n is the given annual time series, then 3-yearly moving averages are x_1+x_2+x_3/3,x_2+x_3+x_4/3, B. In the method of the least squares, if (t_1,y_1),(t_2,y_2),(t_n,y_n) denote the time series and y_t are trend values of y, then (y-y_t)=0 C. In the method of the least squares, the sum of squares of the deviations of the values of y from their corresponding trend values is least. D. The rise in prices before Diwali is an example of a cyclical trend. Choose the correct answer from the options given below:

Question

Option 1: A, B, and C only

Option 2: A, B, C, and D

Option 3: B, C, and D only

Option 4: A, C, and D only

AfterBoards · Accepted Answer

The answer is 'A, B, and C only'. View full solution:

CUET Mathematics 2026 15th May Shift 1 PYQs

Keyboard Shortcuts