The equation is the equation of the regression line that predicts the number of people attending an annual air show, where x is the number of years after 2005.

According to the equation, about how many people would be expected to attend the air show in 2025?

Round the answer to the nearest whole number.

Question

The equation     is the equation of the regression line that predicts the number of people attending an annual air show, where x is the number of years after 2005. 

According to the equation, about  how many people would be expected to attend the air show in 2025?

Round the answer to the nearest whole number.

freemap · Answer

|dw:1456258441962:dw|

freemap · Answer

@Directrix

directrix · Answer

How many years pass from 2005 to 2025 ?

freemap · Answer

251.56x

directrix · Answer

No.

directrix · Answer

If a person were born in 2005 and now it is the year 2025, what might be the person's age?

freemap · Answer

20

directrix · Answer

Estimated  y = -251.56 * 20 + 9107.643

Crank out this: -251.56 * 20 + 9107.643  

Round to integer.

freemap · Answer

4076.443
4076

directrix · Answer

In the equation you posted, are you sure that 251.56x has a negative sign in front? 

If so, 4076.443I. 


That is what I got.

freemap · Answer

yes

directrix · Answer

Okay, that's good. Just checking.

freemap · Answer

4076.4431 would be the whole number rounded

directrix · Answer

No.

4076.  4     431

The 4 is not 5 or greater so 4076 as you posted.

freemap · Answer

okay, thanks just wanna make sure

directrix · Answer

It's good to check the work.