CUET · MATHS · PYQ PAPER 2025
Consider the following data
| Year(X) | 2010 | 2011 | 2012 | 2013 | 2014 |
| Profit (Rs. in thousands) (y) | 10 | 12 | 14 | 16 | 13 |
- A \(y = 2x - 26\)
- B \(y = 2x + 26\)
- C \(y = x - 1999\)
- D \(y = x - 13\)
Answer & Solution
Correct Answer
(C) \(y = x - 1999\)
Step-by-step Solution
Detailed explanation
\( \text{Let } u = X - 2012 \) \( \Sigma u = (-2) + (-1) + 0 + 1 + 2 = 0 \) \( \Sigma y = 10 + 12 + 14 + 16 + 13 = 65 \) \( \Sigma u^2 = (-2)^2 + (-1)^2 + 0^2 + 1^2 + 2^2 = 4 + 1 + 0 + 1 + 4 = 10 \)…
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