List of top Mathematics Questions on Time Series Analysis

For the given 5 values, 35, 70, 30, 62, 58, the 3-year moving averages are:
The second order derivative of which of the following functions is \( 20^x \)?
In a game, A can give 20 points to B, A can give 32 points to C and B can give 15 points to C. How many points make the game?
Which of the following is not a component of the time series?
For the given 5 values, 15, 18, 21, 27, 39; the three year moving averages are:

Given: The least-squares straight line is \(y = a + b(x - 2022)\).
 

Year (x)20202021202220232024
Profit (Rs. '000) (y)23452

Given: \(y = a + b(x - 2022)\) is the least-squares straight-line trend.

Year (x)20202021202220232024
Profit (Rs. '000) (y)23452
For the given 5 values, 15, 18, 21, 27, 39; the three year moving averages are:
Which of the following is not a component of the time series?
Which of the following are correct?
(A) Time series analysis does not help to understand the behavior of a variable in the past.
(B) Time series predict the future behavior of variable.
(C) Time series helps to plan future operations.
(D) The main aim of the time series analysis is to derive conclusions after arranging the time series in a systematic manner.
Which of the following are correct?
(A) Time series analysis does not help to understand the behavior of a variable in the past.
(B) Time series predict the future behavior of variable.
(C) Time series helps to plan future operations.
(D) The main aim of the time series analysis is to derive conclusions after arranging the time series in a systematic manner.