**How do I find the function that describes my data/plotted graph? - data age 2 to 20 and bmi**

Then he gave me a set of data: shows the body mass index of the U.S. average for women 2-20. How do I find a function (without using the regression tool) into my computer, that part of the graph is generated by plotting the data? And what does it mean when you made the "state variables and parameters?

I am very confused, please help: (

## Thursday, January 28, 2010

### Data Age 2 To 20 And Bmi How Do I Find The Function That Describes My Data/plotted Graph?

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## 4 comments:

... Finite-difference could be used to find a polynomial - but certainly not exactly match the data with a polynomial must use a test ... could also be a single line most appropriate in this case, after the data pull away, the line and write the equation ...

i> \\ \\ \\ \\ \\ \\ \\ \\ u0026lt you see the correlation coefficient (to what the regression tools)

http://mathbits.com/Mathbits/TISection/Statistics2/correlation.htm

^ It seems that the Web site to explain and to reffers as answers dispay graphing calculator to understand to help you.

Parameters are u0026lt \\ \\ \\ \\ \\ \\ \\ \\, x \\ \\ \\ \\ \\ \\ \\ \\ b u0026lt type stuff, including the main level and variables that could influence the data.

- I hope that some help!

i> \\ \\ \\ \\ \\ \\ \\ \\ u0026lt you see the correlation coefficient (to what the regression tools)

http://mathbits.com/Mathbits/TISection/Statistics2/correlation.htm

^ It seems that the Web site to explain and to reffers as answers dispay graphing calculator to understand to help you.

Parameters are u0026lt \\ \\ \\ \\ \\ \\ \\ \\, x \\ \\ \\ \\ \\ \\ \\ \\ b u0026lt type stuff, including the main level and variables that could influence the data.

- I hope that some help!

scored two points on the graph. (while on the line / curve)

For example, (2.5) and (3.2)

Find the slope of the straight line

by the following equation:

Y2-Y1

-------- = Use the course of two points and the entry into this

X1-X2 of Eq. SO (2.5) = (x1, y1)

and 2 is the x-cordinated

and 5 is the y-cordinated

SO (3.2) = (x2, y2)

as in the above equation to the slope

then u is the slope. be represented by an "M"

Use x1 and y1 and "m" (gradient) provided in this equation, the function of youre online

y-y1 = m (x-x1)

So for my example:

Y-5 = m (x-2)

(Then type the value of m). youre simplify the equation by expanding the brackets. Then place theEquation set up:

y = ax + c

where A and C are numbers that

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