Question about Sharp EL-531VB Calculator

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User's manual how do i use the statistics

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  • Louis_1_1_1_ Apr 10, 2008

    Me too I don't undertand how to use the statistical functions of this calculator. for example, if I want to calculate the standard deviation of a series data, I first begin by switching mode to "Stat", then I choose 2 for Quad. There's now the words "Stat 2" written at left on the screen, and "0" written at right. After, what do I have to do to calculate the standard diviation ?

    And do I have to enter my data in the calculator befor to switch it to the Stat Mode ?

    I'm totally confused...

    If you can answer yourself or refer me to a website with full clear explanation, I would be very thankful to you.

    PS. I'm not an anglophone, so be understanding...

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Http://www.amazon.com/Sharp-EL-531VB-Calculator/dp/B00005IX7Y

Posted on Mar 18, 2008

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How to Configure the Traffic Statistics Function on S2700&S3700&S5700?


Assume that the statistics on ping packets from 10.1.1.0/24 need to be collected on the interface Ethernet0/0/1 or GigabitEthernet0/0/1. The configuration is as follows:
# Configuration the acl rule.
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# Configuration the traffic policy.
[HUAWEI] traffic policy test [HUAWEI-trafficpolicy-test] classifier test behavior test [HUAWEI-trafficpolicy-test] quit # Apply the traffic policy:
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  • # Apply the traffic policy test to the S5700. [HUAWEI] <strong>interface gigabitethernet0/0/1</strong> [HUAWEI-GigabitEthernet0/0/1] <strong>traffic-policy test inbound</strong>

After the configuration, run the display traffic policy statistics interface interface-type interface-number command to view the traffic statistics. To re-collect traffic statistics, run the reset traffic policy statistics interface interface-type interface-number command to clear existing traffic statistics first.
NOTE:
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How to perform statistical computations with a CASIO calculator?


The statistical display menu choices depend on the type of statistical calculations you intend to do. Please Read the manual. Note: When you finish entering data press AC key and renter the stat mode.

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How to solve r in linear regretion


Find the formula for the correlation coefficient and use the calculator to calculate it.
You can also use the calculator to do statistics. It has some keys to retrieve the statistical values calculated. You will find r among them.
Please do read your manual to learn how to do statistics.

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Hod do you put this calculator into statistical mode?


The 30XA doesn't have a statistical mode; all of the statistical functions are available at all times.

2nd [CSR] clears the statistical registers, Sigma+ adds a data point, Sigma- deletes a data point, 2nd [x-bar] gives the mean, 2nd [sigma-x-n] and 2nd [sigma-x-n-minus-one] give the population and sample standard deviation.

For full details, refer to the statistics section in the manual. If you don't have a manual, you can download a guidebook from
http://education.ti.com/educationportal/sites/US/productDetail/us_ti30xa.html?bid=6

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How do i check lamp hours ?


You don't, Lamp Hours are a statistical estimate used by the manufacturer to give an idea of how long a buyer can expect the lamp to last. In some cases lamps last longer or shorter, but an average of most of them will be around the estimate. You as a user can keep track of how many hours the lamp was used and think about replacing it when that statistical average is close, but that usually is too much trouble.

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2 Answers

Can i do statistics on the casio fx-115 es? and how can i use it?


Yes and here is how to do 1-var statistics and 2-var statistics. Please read the whole post. 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.

Nov 06, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

Hello. I just wanted to ask you how do I calculate the variance and standard deviation in my cfx9850GB plus. I had a quick look at the manual but I couldnt find the info. thankz .


This shows you how to enter your data and calculate some statistical values. Keep in mind that the variance is the square of the standard deviation.


In the main menu select [STAT] icon to enter Stat mode and display the statistical data lists. Use the statistical data lists to input data and perform statistical calculations. Use the arrows to move the highlighting around the lists.
Example: Enter the following values in List 1
1st line enter 90 [EXE]
2nd line 85 [EXE]
3 79 [EXE]
4 75 [EXE]
5 70 [EXE]
6 68 [EXE]
7 56 [EXE]

When finished you press [F2:Calc], then [F1:1Var] and the statistical results appear on screen.

Title of screen : 1-Variable
x bar =74.7142857
Capital Sigma x= 523
Capita Sigma X squared = 39851
x lower case sigma n = 10.5249945
x lower case sigma n-1= 11.3682934
n = 7
Scroll down with Down arrow to access other data
minX =56
Q1=68
Med =75
Q3=85
Xbar -x lower case sigma n =64.1892911
x bar x lower case sigma n = 85.2392802
maxX=90
Mod=90

All you have to do now, is to look at the theory you learned and interpret what these values mean.

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1 Answer

How can i calculate probability distributions using stat mode in fx-991ES calculator.


Hello,
Not knowing what kind of probability calculations you want to perform, I can only show you how to access the distributions that this calculator has to offer.
After you enter your data and do the usual statistics, you press SHIFT STAT and select 7:Distr. You get acces to
1: P(
2:Q(
3:R( and
4: X to t, the variate.

See the exemples in the Appendix to the user's manual, in particular #059.

Hope it helps.

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