CUET Mathematics - If (t_1, y_1), (t_2, y_2),......,(t_n, y_n) denote the time series and y_t are the trend values of the variables y, then | PYQs + Solutions

CUET Mathematics 2025 3 June Shift 2

Statistics & Applications

Medium

applied

$\sum_{i=1}^{n} (y_i - y_2) = 0$

$\sum_{i=1}^{n} (y_i - y_t) = 1$

$\sum_{i=1}^{n} (y_i - y_t) = \infty$

$\sum_{i=1}^{n} (y_i - y_t) = 0$

✅ Correct Option: 1

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If three year moving averages for five data items given by 16, 18, 20, 10, 21 are $x$ , $y$ and $z$ respectively, then:

22 May Shift 2

Match List-I with List-II

List-I	List-II
Example	Time-series component
(A) Labour strike	(I) Secular-trend
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On which of the following components, the pattern and behavior of the data in any time series is based?

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(D). Regular component

Choose the correct answer from the options given below:

CUET Mathematics 2025 3 June Shift 2 PYQs