Question about Texas Instruments TI-83 Plus Calculator

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List L1 has a * in front and won't come up in the STATS

I can't use List 1 through the STAT function. When I look at the LIST function I find a *L1 and the star is telling me something, but I don't know what!

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Press, 2nd, mem, 7, 1, 2.
then,
Press, 2nd, mem, 7, 2, 2.

This should fix it. It will clear & reset everything.
mark

Posted on Oct 20, 2008

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No, don't reset anything!!!!! unarchive the list!!! go to [2nd] + and go to unarchive... the list... and press ENTER next to the starred L1 list.

Posted on May 08, 2009

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How do i find grouped data in L1 and L2 on ti 82


I am not sure I understand but if it the same problem as in your other posted question, here is what I wrote.

Are the data in L1 and l2 in any way related? If they are (being x-values and y-values of some data set) then you need to do regression analysis (2-var stats)
If they are not related (connected) you can calculate the mean of each group separately.
Do 1-var stat by specifying the L1 list first (may be the default), get your average of the values in L1. Then you can do 1-var stat on the data in L2 by specifying the list L2 on the command line.
1-var L2 ENTER
Note: What I am describing here is valid for the TI 83 Plus/TI84 Plus, but I suspect the steps are similar to the TI 82.

Oct 08, 2013 | Texas Instruments TI-82 Calculator

1 Answer

Error stat


Are the data in L1 and l2 in any way related? If they are (being x-values and y-values of some data set) then you need to do regression analysis (2-var stats)
If they are not related (connected) you can calculate the mean of each group separately.
Do 1-var stat by specifying the L1 list first (may be the default), get your average of the values in L1. Then you can do 1-var stat on the data in L2 by specifying the list L2 on the command line.
1-var L2 ENTER
Note: What I am describing here is valid for the TI 83 Plus/TI84 Plus, but I suspect the steps are similar to the TI 82.

Oct 08, 2013 | Texas Instruments TI-82 Calculator

1 Answer

My TI-84 plus silver edition doesnt allow me to use the comma when using the 1-Var Stats button.. I can't use more then one list and I need the mean of both lists


Pay attention to the name: 1-var statistics mean you have ONLY one list of data. So you cannot use two. However if some data values are repeated you may choose to create a FREQuency list. So at most you have two list, one for the data values and the second for their frequency.
When you use the 1-var stat, specify the list that holds the data value (Xlist) and one the FREQ line specify the list that has the frequency

If your data values are in L1 and L2 or any pair of lists, then you should do 2-var stats. You will get the stats of both lists, you can also perform regressions, etc.

Apr 09, 2012 | Texas Instruments Calculators

1 Answer

I am curently taking Statistics and when I hit "stat" then enter information into the L1, L2 , L3 area etc then I go to stat again and press calc and choose option 1 then in the list area I need...


I have followed your description and entered bogus data in Lists L1, L2, and L3.
I hit STAT then CALC then Option 1, which is 1-Var Stats. In this context you have only one set of data. If the data set contains many repeated values you can enter the frequency for each (repeated) data item in List L2, inserting 1 if an item is not repeated.
Thus when you do 1-Var Statistics you have at most two Lists (L1 contains the data values, and L2 their frequencies).
If you press the 1-Var Stats calculation option, the calculator takes L1 as the default data list so you see List:L1 and the ALPHA cursor blinking
On the secoond line you see Frequency: and nothing else on the line.
On the third line you have Calculate.
If Your data is not in L1, you can change that by pressing the [2nd][2] (L2), or [2nd][3] (L3). Only one list is specified there, so no need for the comma to separate. (you are doing 1-var Stat).

If your frequency data is in L2 you must specify it on the line Frequency. However, since the ALPHA keyboard is activated you must deactivate it first by pressing the ALPHA key. After that press [2nd][2] to select L2 or [2nd][3] to specify L3
If there is no frequency list, leave the Line frequency empty.

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Aug 25, 2011 | Texas Instruments TI-84 Plus Silver...

1 Answer

How do you get the table ([2ND GRAPH]) from the [STAT] [EDIT] [L1] [L2] list to appear with [Y1] in the second the column? The information appears in the scatter plot, but the information in the table does...


Instead of hitting the [table] button. You should hit the [stat] or [stats] button as I forget which it is. Then hit [enter] which will bring you to a stats list editor of some kind. You will want to enter the data for your x-axis in L1 and the data for your y-axis in L2. Once you have completed your lists, hit the [stat] button again and then click [right] or the right arrow in order to move to the section of calc. from number 4 down it will help create a graph of that type of function. lets say you think it is linear, so you hit [enter] on number 4 and then you will be at the home screen with LinReg already written. You just have to complete the statement and it will do it for you. hit the [2nd] [1] and then the comma button, then [2nd] [2] and [enter]. that will do it for you.

Feb 14, 2011 | Texas Instruments TI-84 Plus Silver...

1 Answer

When I entered my data in L2 because in L1 I don't know what happened is not on the screen then I press STAT and select CALC, then select 1- Var Stats and press enter I should be able to see the mean,...


When you select 1-Var Stats, specify L2. If you don't specify a list, the calculator will assume L1.

You can recreate L1 by pressing
2ND [{] 1 STO 2ND [L1]

{ is on the ( key.
L1 is on the 1 key.

Jan 27, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

When i go to STAT and hit the enter button there is no L1 only L2 how do i reset this so i have L1


The easiest way is to recreate the list. Press 2ND [{] 1 STO 2ND [L1]

{ is the shifted function of the ( key, L1 is the shifted function of the 1 key.

Jan 25, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

When I type a list of numbers into L1 and then hit Stat, calc, 1-var stats L1. i get invalid dim


  1. Press [STAT][5:SetUpEditor][ENTER].
  2. Press [STAT][1:Edit..]
  3. Enter your data in L1.
  4. Press [STAT][CALC][1:1-Var Stats].
  5. Command echoes on main screen.
  6. If ONLY one list contains data, it must be L1.
  7. When you do not specify the list in the command line it will take L1 by default.
  8. If L1 is empty and the data is in L2, or another but L1, the name of list must be specified.

Feb 19, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

How do i clear the L1 L2 so on cells?


Hello,
I do not understantd what you mean by the so on cells words.

1. To clear all lists

Press [2nd][CATALOG] to access the list of commands. Scroll down till the fat right arrow point to ClrAllLists. Press [ENTER][ENTER] to execute the command. Screen displays Done.

2. To clear the list L1 completely

Press [STAT][4:ClrList]; command echoe on main screen as ClrList . You must specify what list you want to clear. To clear L1, you insert at the place of the cursor L1 and press [ENTER]. But to insert L1, you press [2nd][1] (L1) and press [ENTER].

3. Clear L1 and L2 completely you do as in point 2.

Press [STAT][4:ClrList] [2nd][1] [,] [2nd] 2 (L2). On screen command appears as ClrList L1, L2. Press [ENTER] to execute it. Screen displays Done

4. To clear a number in a cell.

Press [STAT][1:Edit]. The list editor opens. Move cursor to the top of the list, say L1. and highlight the heading
The whole list appears on the commande/edit line.
Press [ENTER].
Cursor moves to the entry line where all elements on the list appear between { }.
Use the cursor to the value you want to remove and press [DEL]. Do not leave unneeded commas.

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Hope it helps.

Oct 21, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

Standard deviation


Here goes if you still need this...

STAT, EDIT, put information into L1 if only one variable stats, but put info into L1 and L2 if it is frequency table stats.

Then choose Stat, over to CALC, 1, enter...if 1 variable stats then press enter again. If frequency table stats, then choose STAT, over to CALC, 1, 2nd, 1 [L!], 2nd, 2 [L2], enter.

Oct 15, 2007 | Texas Instruments TI-84 Plus Calculator

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