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Anonymous Posted on Nov 03, 2017
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My calculator won't let me graph or find the linear regression.

I'm trying to graph an equation and find the linear regression, but it will not let me graph. I have already typed in my data into the correct table and when I hit GRAPH it says this, "ERR: ARCHIVED" and beneath it says "1: QUIT" And when I try to find the linear regression, "ERR: ARCHIVED" and underneath is "1: QUIT" and "2: GOTO"

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Stevan Milanovic

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  • Texas Instru... Expert 267 Answers
  • Posted on Nov 11, 2017
Stevan Milanovic
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Joined: Nov 06, 2011
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You have attempted to use, edit, or delete an archived variable. For example, the expression dim(L1) produces an error if L1 is archived

5 Related Answers

Anonymous

  • 3 Answers
  • Posted on Jul 23, 2008

SOURCE: how to graph linear equation in two variables

I am not quite sure what you are asking...

(1) if asking for graphing y= -2/3x+2, then press [diamond] [F1: Y=] type in .2/3x +2, see graph by [diamond][graph]

(2) if asking for graphing y= -2/3x+a, where a=3x, then first archive a=3x in Home screen by [home], type 3x [sto] a, then go back to y= menu, and type -2/3x+a in Y1

(3) if asking for graphing an equation that is dependent on 2 variables at the same time, use x-y-z axis (aka, change mode to graphing 3-D by [mode]graph [5:3D]) then enter desired equation in y= menu using Z function in terms of x and y aka z(x,y)= ...)

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Anonymous

  • 32 Answers
  • Posted on Dec 04, 2008

SOURCE: my TI-83 doesn't plot

The problem seems to be that the list is archived. To fix this go to memory menu (2nd and mem) then find L1 or whatever list you want and hit enter next to it. This will get rid of the big asterick and then you can graph it or you should be able to.

Anonymous

  • 4 Answers
  • Posted on Feb 03, 2009

SOURCE: TI-83 Plus Graphing Error

Try zoom 6

Anonymous

  • 1 Answer
  • Posted on Jul 15, 2009

SOURCE: my graphing calculator won't graph anything

Go to your stat plot screen, and select option 4 (PlotsOff), Press Enter, and try to plot a normal graph again

Anonymous

  • 33 Answers
  • Posted on Jul 17, 2009

SOURCE: Suddenly, the graph window reports ERR:UNDEFINED

Go to Window and make sure there are acceptable values for your graph, default is usually 10 and -10 with 1 scale.

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Related Questions:

0helpful
1answer

How to model real life data?
What is the question?
Put your calculator in STAT mode (2-var statistics or regression )
Enter your data in two lists, preferably sorted according to the x-value
Choose a regression model from the ones available and get the calculator to give you the best fit.
However to see which regression model best fits you data you need a graphing calculator to draw the scatter plot, then superpose on the scatter plot the curve of best fit given by the regression model.

Once you accept a model as the most suited one, you can use the equation of the curve to predict a y-value given an x-value (what ever REAL LIFE meaning they might have)
.
Read full answer
Dec 11, 2013 • Sentry CA 756 Calculator
0helpful
1answer

Ti 84 plus silver edition will not fit a linear model to plotted points. when I use the function vars>stat>EQ>RegEQ it transmits incomplete data in to Y=.
Your data must be in two lists L1 (for x-values), and L2 (for y-values). This is the default setting. Open the STAT utility, go to the regression models. Select your model then press ENTER. The command echoes on the main screen. For example let the regression be something called LinReg.
On the main screen you see LinReg
Complete the command line as follows
LinReg L1, L2, Y1, ENTER
You see the statistics including the regression equation.
If you go to Y= Editor you will see that Y1 contains the regression equation.
If you have already drawn the scatter plot for your data, pressing GRAPH will superpose the scatter plot and the regression curve., and you will be able to judge the goodness of the fit.
Read full answer
Sep 28, 2013 • Texas Instruments TI-84 Plus Silver...
0helpful
1answer

How do you do turn on diagnostics with a casio fx-9750g plus?
You don't do anything for the Casios.. If the correlation and determination coefficients have a meaning in the regression model (such as linear regression) they will be calculated and displayed automatically on the same screen where the regression equation is displayed. However if the regression model has no such coefficients nothing will be displayed.
Read full answer
May 02, 2012 • Casio FX-9750GPlus Calculator
0helpful
2answers

I am trying to graph a least-squares line on my TI-84 Plus. I have the numbers correctly plugged into my Stat Edit tables, and I am able to access my linear equation, and the first time I entered my graph...
After you enter the data draw the SCATTER plot first.
When you perform the (linear) regression analysis LineReg, save the regression equation to a function, for example Y1
The syntax is
LineReg L1, L2, Y1 ENTER


From the Stat>CALC menu press LineReg
The command echoes on command line
Press [2nd][1] to enter the L1 list on command line
Press [,] to separate
Press [2nd] [2] to enter L2 on the command line
Press [,] the comma again
Press [VARS][>][Y-Vars][1~Function][1:Y1] [ENTER]
Press [GRAPH] to have the regression line equation drawn
on the same screen as the Scatter Plot you drew before.
Read full answer
Sep 13, 2011 • Texas Instruments TI-84 Plus Calculator
0helpful
1answer

My graphing calculator won't graph anything. I've entered many equations into y=. I even tried to type in a simple linear equation to see if it would even do that. Nothing happened. The window...
You do not say if you get any error message.
Try to reset the calculator Press [2nd][+] to open memory management.
Press [7][RESET] followed by [1:All RAM] [2:Reset]
Then open the Y= editor and to the right of Y1= type in [X,T,theta,n] and press [ENTER]. You will see the straight line y=x.
Please report back what you get.
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Aug 02, 2011 • Texas Instruments TI-84 Plus Calculator
0helpful
1answer

I am entering information from a sample question for drawing a scatterplot and finding the linear regression equation. I have copied the example exactly and keep coming up with the same two problems. 1. I...
You might not see the scatter plot when you go to the graph because the boundaries are not set correctly. With the scatter plot turned on, go to "zoom" and then scroll down to "zoomStat" and hit enter. Try going to the graph again and see if the the scatter plot shows up. As for the the equation being slightly different than the examples, this is probably just the calculator rounding up the answers it gets. Good luck!
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Jun 24, 2011 • Texas Instruments TI-84 Plus Silver...
2helpful
1answer

How do i do linear regression on this calculator
I am sorry but I will have to assume that you know how to enter the data.

Once you enter your data [MENU][STAT], press [F1:Graph], select Gph1, Gph2, or Gph3. Once the graph of the experimental data is drawn, you will have access to the diverse regression models. Your choices are [X:Linear] [Med-Med], [Quadratic :X^2] [Cubic;X^3] [Quartic: X^2]. Press [F6] to scroll right to access the others: [Logarithmic:LOG], [Exponential :EXP], [Power :Pwr] and [Sinusoidal: Sin]

After you select a model and press [EXE], the screen displays the equation and its various coefficients. On that same screen, you have a menu option [F6:Draw]. If you select it, the regression curve will be drawn on the same screen as your statistical graph. This allows you to judge if the fit is good. If it is not, you have the option to choose another model.
The other option [F5:Copy] allows you to save the regression equation in the Y1, Y2, etc. variables.

PS If you do not know how to enter data post a comment to this effect and I will see what I can do to help you.
Read full answer
Sep 02, 2010 • Casio FX-9860G Graphic Calculator
0helpful
1answer

How do u store linreg(ax+b)as y1 on ur graphic calculater
When you press [STAT] and right Arrow to highlight CALC you see two linear regression model [4:LinReg(ax+b)] and [8:LinReg(a +bx)]
If you select [4: ...] the command echoes on main calculator screen as LinReg(ax+b) and a blinking cursor
If you press [ENTER] you will get your equation, a, b, and r^2 if DiagnosticsOn command has been executed before. However you will not be able to see the line of best fit on top of the raw data scatter plot.

To save the equation of best fit in a function variable, ex Y1, you complete the command as follows
LinReg(ax+b) [VARS][=>][Y-VARS][1:Function][1:Y1]
The Y1 variable will appear on main calculator screen, and you have
LinReg(ax+b) Y1
Press [ENTER]
Screen display the equation, its parameter and its correlation coefficients (if so configured).
Press [GRAPH] to draw the line of best fit on top of the scatter plot.

Here are two screen captures to show you the equation and the line of best fit.
a696143.jpg 754dc8f.jpg

As you can see from the value of r^2, and the graph, a linear regression does not seem good.
Read full answer
Feb 01, 2010 • Texas Instruments TI-84 Plus Calculator
2helpful
1answer

How to calculate the coefficient of linear correlation using casio cfx-9850 Ga plus
Although the coefficient of correlation is well defined for a few regression models, you do not calculate it directly because your calculator does that for you.
I could just tell you that it is displayed along with the statistical results (equation of best fitting curve, ) but if you do not know how to do that you will just shoot my post. If you know how to do a linear regression, stop right here and ignore what follows.

For those interested: How to do a regression on the calculator
I am sorry but I will have to assume that you know how to enter the data through the [MENU][STAT].

  1. After you finish entering all the data
  2. Press [F1:Graph], select Gph1, Gph2, or Gph3.
  3. Once the graph of the experimental data is drawn, you will have access to the diverse regression models.
  4. Your choices are
  5. [X:Linear]
  6. [Med-Med],
  7. [Quadratic :X^2]
  8. [Cubic;X^3]
  9. [Quartic: X^4].
  10. Press [F6] to scroll right to access the others
  11. [Logarithmic:LOG],
  12. [Exponential :EXP],
  13. [Power :Pwr] and
  14. [Sinusoidal: Sin]
After you select a model and press [EXE], the screen displays the equation and its various coefficients, a correlation coefficient if it has meaning, etc.
On that same screen, you have a menu option [F6:Draw]. If you select it, the regression curve will be drawn on the same screen as your statistical graph. This allows you to judge if the fit is good. If it is not, you have the option to choose another model.
The other option [F5:Copy] allows you to save the regression equation in the Y1, Y2, etc. variables.
Read full answer
Jan 03, 2010 • Casio CFX 9850GA Plus Calculator
1helpful
1answer

How do i get the equation of a best fitting line? my math teacher uses a ti-84 leaving me left behind trying to find ways to do the same exact thing. how do i find the equation of a best fitting line?
Hello,
I am sorry but I will have to assume that you know how to enter the data.
Once you enter your data [MENU][STAT], press [F1:Graph], select Gph1, Gph2, or Gph3. Once the graph of the experimental data is drawn, you will have access to the diverse regression models. Your choices are [X:Linear] [Med-Med], [Quadratic :X^2] [Cubic;X^3] [Quartic: X^2]. Press [F6] to scroll right to access the others: [Logarithmic:LOG], [Exponential :EXP], [Power :Pwr] and [Sinusoidal: Sin]
After you select a model and press [EXE], the screen displays the equation and its various coefficients. On that same screen, you have a menu option [F6:Draw]. If you select it, the regression curve will be drawn on the same screen as your statistical graph. This allows you to judge if the fit is good. If it is not, you have the option to choose another model.
The other option [F5:Copy] allows you to save the regression equation in the Y1, Y2, etc. variables.

Hope it helps.
Read full answer
Oct 08, 2009 • Casio FX-9750GPlus Calculator
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