CUET Mathematics - If for the following data: | Year | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |---|---|---|---|---|---|---|---| | Production (in lakh tonnes) | 30 | 35 | 36 | 32 | 37 | 40 | 36 | Using straight line trend by the method of least squares, the trend value for the year 2009 is : | PYQs + Solutions

CUET Mathematics 2026 29th May Shift 1

Statistics & Applications

Hard

applied

41.23

42.32

39.284

40.32

✅ Correct Option: 4

Related questions:

30th May Shift 2

For a straight line trend $y_t = a+bx$ for $n$ data by the method of least squares if, $n=8, \sum y=47.8, \sum xy=4.3$ and $\sum x^2=42$ , then $y_t$ at $x=-3.5$ is _____.

[where $y_t$ represents trend value of y]

3 June Shift 2

Assuming the same rate of change continues for the following data:

Year (x)	2019	2020	2021	2022	2023
Profit(in Percentage) (y)	38	40	65	72	69

The equation of the straight line trend using the least square method is:

21 May Shift 2

Let $y = 138.86 + 7.64(x - 2021)$ be a straight line of best fit by using least square method to the following data:

Year(x)	2018	2019	2020	2021	2022	2023	2024
Profit(y) (in Rs. '000)	114	130	126	144	138	156	164

Then the trend value for the year 2024 is:

CUET Mathematics 2026 29th May Shift 1 PYQs

Keyboard Shortcuts