The straight line trend for the sales of a cosmetic item (in thousands) in a district with an origin year 2013 is $y=5.9+1.3x$. The predicted sales of cosmetic items inn 2023 is :
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → 18.9 thousands
The given straight line trend equation,
$y=5.9+1.3x$
$x=Year-2013$
$=2023-2013=10$
$⇒y(10)=5.9+1.3×10$
= 18.9 thousands unit