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

Then the trend value for the year 2024 is:

161.78

The correct answer is Option (3) → 161.78

Given trend line: $y = 138.86 + 7.64(x - 2021)$

For the year 2024, $x = 2024$

Substitute $x = 2024$:

$y = 138.86 + 7.64(2024 - 2021)$

$y = 138.86 + 7.64 \times 3$

$y = 138.86 + 22.92$

$y = 161.78$

Therefore, the trend value for the year 2024 is Rs. 161.78 thousand