Applied Mathematics

Time Based Data

Easy

The increase in the sale of shawls during winters is an example of :

trend component of time series

cyclical component of time series

seasonal component of time series

irregular component of time series

✅ Correct Option: 3

Variations that repeat at known fixed periods within a year (such as seasonal weather changes) are seasonal components.

Increased shawl sales during winter recur every winter season, so this is a seasonal component.

2023: 23 May Shift 3

Given that p $_0$ and p $_1$ represent base and current prices of a commodity, q $_0$ and q $_1$ refer to the base and current quantities, then the formula used to calculate price relatives is :

2023: 7 June Shift 1

For a given data of 5 observation $\sum y = 311$ , $\sum x^2 = 10$ and $\sum xy = 90$ . The equation of the trend line is :

2023: 23 May Shift 3

The price index of sugar in 2019 compared to 2016 is 120. If the cost of sugar was Rs.25 per kg in 2016 then the cost in 2019 is:

2026: 29 May Shift 2

Match the LIST-I with LIST-II

LIST-I		LIST-II
A.	Rise and fall of the share market	I. Seasonal Component
B.	Continuous increase in the population of India	II. Cyclical Component
C.	The rise in prices of woolen clothes in winter	III. Irregular Component
D.	Increase in prices of goods due to strikes of transporters	IV. Trend Component

Choose the correct answer from the options given below:

2023: 22 May Shift 3

The wholesale price index (or price relative) of rice in 2018 compared to 2014 is 150. If the cost of rice was Rs. 16 per kg in 2014, then per kg cost of rice in 2018 is :

2026: 21 May Shift 2

Irregular variations in a time series are caused by:

A. Floods

B. Natural calamities

C. Labour strike

D. Climate changes

Choose the correct answer from the options given below:

The increase in the sale of shawls during winters is an example of :

Solution

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