For the given five values $12,15,18,24,36$; the three-year moving averages are :

Consider the following data of expenses (in lakhs) of an organization year wise

Then expected expenses trends for the year 2006 using method of least square is:

The pattern and behavior of the data in any time series are based on which of the following components:

(A) Secular trend component

(B) Seasonal component

(C) Cyclical component

(D) Irregular component

Choose the correct answer from the options given below:

Consider the following data:

By using the method of least squares, the trend value for 1997 is :

For the given five values, 13, 17, 21, 22, 32; the 3-year moving averages are:

For the five values 12, $a$, 17, 21, 22, the three years moving averages are 13, 16, 20. The value of $a$ is

If 35, 70, 36, 59, 62 is the given annual time series, then 3-yearly moving averages are