Question about Casio fx-300ES Calculator

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Mean and standard deviation

I have a statistics exam within the next week and i am unable to figure out how to enter the mean and standard deviation. i have the basic instructions on the lid of the calculator but i cannot figure out how to enter the numbers into the calculator in order to work it out. Help would be appriciated and very soon. Thanks.

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  • Anonymous Mar 18, 2014

    I want the calculator to work with exact figures.

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1 Answer

Mode - 2 - STAT - 1(VAR) Then put your data: 25,34,13

Then press AC which is the clear button and then SHIFT - 1(STAT) - 5(VAR) 2 (X) =

Voila!

Posted on Sep 04, 2008

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Can you please help me on how to calculate mean, median, mode, standard deviation calculation on casio fx-991ms scientific calculator


This will show you how to do statistics (calculate average, standard deviation, regressions etc.) as to the mode and median refer to the definitions.

TO COMPUTE STANDARD DEVIATION AND 2-VAR STATISTICS.

I assume you know the theory. I will show you the key strokes

For 1-Var statistics
Press [MODE][3:STAT] [1:1-VAR]. You are ready to enter values in the X column.
Enter a number and press [=]. Cursor jumps to second number to enter.
Keep entering numbers and pressing [=] till all numbers are in. Press the [=] key after the last one.
Press [AC] key to clear the screen.
Press [SHIFT] [STAT] (above digit 1.) then [5:Var]. Screen displays the statistical variables 1:n ;2: x bar; 3: x sigma n; 4:x sigma n-1.
Press the number corresponding to the statistical value you want, ex 1:n . The variable appears on screen. Press [=] and it will be displayed.
To display another variable press [SHIFT][STAT][5:Var][ 1,2, 3, or 4] .

To access the sum of squares sigma x^2 and the sum of data sigma x press[SHIFT][STAT][4:SUM] then [1: for sigma x^2] or [2: for sigma x]. Press [SHIFT][STAT][6:MinMax] to access minX and maxX.

For 2-var statistics
To perform 2 variable statistics you press [MODE][3:STAT] and any of the other regression options (except 1:1-Var). A two column template opens where you enter the X and Y values. When finished entering data, press [SHIFT][STAT][5:Var]. to access the different statistics. As I assumed above, you should be able to recognize what each variable means.


Apr 19, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

How to solye statistics problem


I have no clear idea what you mean by solve statistics problem. But if your problems involve finding the standard deviation and other statistical values then this post will help you.

The variance is the square of the standard variation

TO COMPUTE STANDARD DEVIATION AND 2-VAR STATISTICS.

I assume you know the theory. I will show you the key strokes

for 1-Var statistics
Press [MODE][3:STAT] [1:1-VAR]. You are ready to enter values in the X column.
Enter a number and press [=]. Cursor jumps to second number to enter.
Keep entering numbers and pressing [=] till all numbers are in. Press the [=] key after the last one.
Press [AC] key to clear the screen.
Press [SHIFT] [STAT] (above digit 1.) then [5:Var]. Screen displays the statistical variables 1:n ;2: x bar; 3: x sigma n; 4:x sigma n-1.
Press the number corresponding to the statistical value you want, ex 1:n . The variable appears on screen. Press [=] and it will be displayed.
To display another variable press [SHIFT][STAT][5:Var][ 1,2, 3, or 4] .

To access the sum of squares sigma x^2 and the sum of data sigma x press[SHIFT][STAT][4:SUM] then [1: for sigma x^2] or [2: for sigma x]. Press [SHIFT][STAT][6:MinMax] to access minX and maxX.

For 2-var statistics
To perform 2 variable statistics you press [MODE][3:STAT] and any of the other regression options (except 1:1-Var). A two column template opens where you enter the X and Y values. When finished entering data, press [SHIFT][STAT][5:Var]. to access the different statistics. As I assumed above, you should be able to recognize what each variable means.

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1 Answer

How can i use casio 991ms to solve all statistics questions


first off you want you calculator in SD (standard deviation) mode to do this hit mode twice and then 1.
next it is good practice to start off by clearing the memory to do this hit shift, CLR,1 and then = this will clear statistical memory
to enter values into your data set , you enter the value, then press the DT (M+) button. (note: pressing DT repeatedly will impute the same value multiple times)
once you have finished pluging in your numbers your calculator can give you statistical information about the data set.
hitting shift then 1(S-SUM) gives you three options: 1 the sum of the squares of each value 2 the sum of each value 3 the number of terms in the data set hitting shift then 2 (S-VAR) gives you three more options 1 x bar (the mean) 2 x sigma n (the population standard deviation) 3 x sigma n-1 (the sample standard deviation)
you can use these tools to solve alot of statistical problems i hope this helped
Source: http://support.casio.com/pdf/004/fx115MS_991MS_E.pdf page 28 of he pdf

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1 Answer

How can i do standard deviation on my calculator


Click on the Mode button twice until you see “SD”. Select 1. This puts the calculator in Statistics Mode. image001.gif Enter the first number, 1.
image001.gif Hit the M+. (n= 1 will appear in the window)
image001.gif Enter the second number, 1.
image001.gif Hit the M+ key. (n=2 will appear in the window)
image001.gif . . . . .
image001.gif Enter the last number, 7.
image001.gif Hit the M+ key. (n=7 will appear in the window)
image001.gif Hit shift, 2. (This invokes the S-Var option.)
image001.gif Hit 1 for the sample mean. Hit Enter.
image001.gif Hit 3 for the sample standard deviation that we will use in class. Hit Enter.

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2 Answers

How to do standard deviation calculations?


M=500 and S=100 in a normal distribution, what percentage of the subjects have scores between 400 and 600

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How to do a t-test on the TI-83 Plus


Easy:
1.) Turn it on ("ON" button)
2.) Hit the "STAT" button
3.) Hit the Right arrow key Twice
4.) Hit the down arrow key once or hit the "2" button
5.) Enter your Data into List one (L1) OR Right Arrow once and "ENTER" to just enter your statistics

To just Enter the Statistics:
Down Arrow once and Enter:
Hypothesis mean
Sample Mean
Standard Deviation
Number of Tests
and Either (not equal to)Ho , <Ho , or >Ho
Then either hit Calculate or Draw

If this is confusing try this website:

http://cfcc.edu/faculty/cmoore/TI83TTest.htm

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3 Answers

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standard deviation

calculate mean of a data set:

1. Turn calc. on or press MODE SeTUP
2.Press 3 for STAT
3. Press 1 for VAR
4.Enter values for X column
5. WHen done entering press SHIFT 1
6.Press 5
7.Press 2 to calculate the mean
8.Press =

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I want to calculate a standard deviation on BA II plus

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Hello,
You must first enter the data you are doing statistics on.

ffb68b8.jpg

After you finish entering the data, do as the figure below describes.
c6b761d.jpg

Hope it helps.

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1 Answer

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Texas Instruments TI-86 Statistics How-To Information The following instructions should allow you to calculate the mean and standard deviation using a TI-86 calculator.
  1. Press STAT
  2. Select EDIT
  3. Enter data into a list: [2.32 ENTER 2.43 ENTER 2.39 ENTER, etc.] Continue until all data have been entered. (use arrows keys to go to the y value, if any)
  4. EXIT until you reach the main ("blank") screen. (If you try to calculate while you're in the data menu, it thinks you're still trying to enter data!)
  5. Press STAT
  6. Select CALC
  7. Select OneVa
  8. Select LIST, NAMES, xStat(F2), Press ENTER
  9. The calculator provides Max, Min, Mean, Standard Deviation, Sum, Sigma, etc. You will be primarily interested in the Mean and Standard Deviation (sx).

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