Irregular variations in a time series is : Option 1: Climate change Option 2: Rise and fall of share market Option 3: Natural calamities Option 4: Festivals

The answer is 'Natural calamities'. View full solution:

CUET Mathematics - Irregular variations in a time series is : | PYQs + Solutions

CUET Mathematics 2026 19th May Shift 1

Statistics & Applications

Easy

applied

Climate change

Rise and fall of share market

Natural calamities

Festivals

✅ Correct Option: 3

Related questions:

29 May Shift 2

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

Year	2001	2002	2003	2004	2005
Expenses (Rs. lakh)	160	185	220	300	510

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

30th May Shift 1

In reference to the Time Series Analysis, which of the following statements are correct?

A. Variations which generally occur due to the general tendency of the data to increase or decrease, are known as secular variations.

B. Variations which occur due to change in climate, wheather conditions, festivals etc. are known as seasonal variations.

C. Variations which occur due to some unpredictable forces are known as cyclic variations.

D. Variations which occur due to booms and depressions are known as irregular variations.

Choose the correct answer from the options given below:

13 May Shift 1

If $y = 38.85 + 7.64(x - 2020)$ is the equation of the straight line trend for the following data:

Year $(x)$	2017	2018	2019	2020	2021	2022	2023
Profit (Rs. '000) $(y)$	14	30	26	44	38	56	64

The trend value for the year 2021 by least square method is: