Statistics & Applications

Trends & Data

Easy

applied

For the given five values, 16,25,19,34,43, the three year moving averages are

20,26,32

20,26,33

20,27,32

20,26,31

✅ Correct Option: 1

Given values: 16, 25, 19, 34, 43

A 3-year moving average is calculated by taking 3 consecutive values, adding them, and dividing by 3. This process is repeated by moving forward one position at a time.

First moving average using values 16, 25, 19:

$16 + 25 + 19 = 60$

$\dfrac{60}{3} = 20$

Second moving average using values 25, 19, 34:

$25 + 19 + 34 = 78$

$\dfrac{78}{3} = 26$

Third moving average using values 19, 34, 43:

$19 + 34 + 43 = 96$

$\dfrac{96}{3} = 32$

The three-year moving averages are: 20, 26, 32

2025: 3 June Shift 2

Which of the following statements are TRUE?

(A) The sales of woolen clothes, gold, silver etc. exhibit seasonal trends.

(B) The price of stocks in the share market repeats after a definite time interval.

(D) The rise in prices before festivals is an example of a irregular trend.

Choose the correct answer from the options given below:

2025: 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:

2025: 29 May Shift 2

In the below mentioned demand supply curve , identify the equilibrium point

2026: 12 May Shift 2

For the values 22, 25, 28, 31, 40, 43, the three yearly moving averages are

2025: 30 May Shift 1

For the given values 8, 10, 12, 14, 16; the three-year moving averages are:

2025: 22 May Shift 2

Match List-I with List-II

List-I	List-II
Example	Time-series component
(A) Labour strike	(I) Secular-trend
(B) Continuous decline in death rate	(II) Seasonal
(C) Rise in prices before Diwali	(III) Cyclical
(D) Rise and fall of the share-market	(IV) Irregular

Choose the correct answer from the options given below:

For the given five values, 16,25,19,34,43, the three year moving averages are

Solution

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