CUET Mathematics - For the five values 12, a, 17, 21, 22, the three years moving averages are 13, 16, 20. The value of a is | PYQs + Solutions

CUET Mathematics 2026 18th May Shift 2

Statistics & Applications

Easy

applied

✅ Correct Option: 2

Related questions:

14 May Shift 2

Due to which of the following, the irregular variations in a time series are caused:

(A) Floods

(B) Rise in prices before festivals

(D) Epidemics

Choose the correct answer from the options given below:

12th May Shift 2

Match the components of time series with the examples associated to them.

Match List-I with List-II

List-I	List-II
(A) Secular Trend	(I) Monthly sale of soft drink increases in summer
(B) Seasonal variations	(II) Rise and fall of the share market
(C) Cyclic Variations	(III) Data regarding national income
(D) Irregular Variations	(IV) Sudden fall in crop yield due to floods

Choose the correct answer from the options given below:

18th May Shift 1

If for the following data:

Year ( $x_i$ )	2010	2011	2012	2013	2014	2015	2016
Sales (in ₹ crores) ( $y_i$ )	6	8	9	11	13	17	20

If the equation of the straight line trend is $y=a+b(x_i-2013)$ , then the trend value for the year 2018 is

CUET Mathematics 2026 18th May Shift 2 PYQs