Question

I need help with this question please. Also, this is just a part of a homework practice

Answer 1

using a cubic regression calculator

please wait a minute

the equation is

y = -4381.6892 + 2829.3314x - 473.4406x2 + 27.1349x3

For the year 2001

x=2001-1990=11 years

substitute in the equation above

y=5,565

therefore

the answer is the first option