Posted by **mysterychicken** on Thursday, June 20, 2013 at 11:51am.

No clue how to solve this.

If you have performed a linear regression of data that ranges from 1-10 and has a y=2x+5, what is the extrapolated value for y at 11

- Math -
**Steve**, Thursday, June 20, 2013 at 12:01pm
this is easier than you are trying to envision it. You have a bunch of data, and you have found that the straight line of best fit is

y = 2x+5

You have no real formula that produces every data point in the interval [1,10], but this line does as well as you can.

So, now you have a line which closely fits all observed data. To extrapolate to other data, all you can do is estimate based on your calculations so far.

y(11) = 27

- Math -
**mysterychicken**, Thursday, June 20, 2013 at 12:13pm
Thanks

## Answer this Question

## Related Questions

- math - Data were recorded for the demand and revenue of a given product. Find ...
- MATH - A data set has the following points: (0, 2), (4, 1), (6, 0) The slope of ...
- pre-cal... compound interest and modeling data - Please help me with these 2 ...
- Algebra 2 - A data set has the following point: (1,8)(2,7)(3,5) The slope of ...
- Math - Alex puts his spare change in a jar every night. If he has $11.09 at the ...
- math gre ques - A sudent is analyzing data from an experiment using a linear ...
- Sttistics/Please Help - What is the value of the Y-intercept of the least-...
- Math Help - When asked for standard deviation when dealing with grouped data for...
- statistics - The data set healthy breakfast contains the ratings of 77 cereals ...
- statistics - A sudent is analyzing data from an experiment using a linear model...

More Related Questions