Statistics - Calculating standard deviation using a Casio fx-115ES Plus calculator

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In this video I'll show you how to use a Casio fx-115ES Plus to find the standard deviation for a set of data. Remember that there are two values you could get for standard deviation. This depends if your data represents a sample or a population.
▬▬ Chapters ▬▬▬▬▬▬▬▬▬▬▬
0:00 Start
0:48 Entering the data into the calculator
2:08 Selecting the standard deviation option
3:43 Wrap up information and ending
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This video is related to many other topics. Check them out:
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Using the Casio fx-9750Gii: • Statistics - Calculati...
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Опубликовано:

17 авг 2024

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Комментарии : 39

@joelrodriguez1232 4 года назад

Man, this is so great for the FE exam. Blessings!

@tylertinkey3840 2 года назад

i came here bc i'm researching calculators for the FE, looks like i'm in the right spot. thanks for commenting

@Sunny-qe5el 2 года назад

Never in my engineering studies did anybody teach me how to calculate std deviation using casio calculator. It's like 10-14 years ago. But, still this is worth the info.

@AhmedHamed-iv6cz 2 месяца назад

Thankk youuu my final exam is tomorrow, you helped me alotttt

@QuarthDoesThings 3 года назад

You are a savior

@ziadibrahim7328 8 месяцев назад

straight to the point a very informative video thanks a lot sir

@PikaSaiyanZero Год назад

Damn, I'm so glad I bought this calculator. Every day I'm surprised by the amount of stuff it does.

@thobilemasoka6655 2 года назад

Thank you so much sir, you just made things easier for me 🙏❤️❤️❤️

@JMSouchak 3 года назад

You are freaking awesome! I keep stumbling on your videos and they're amazing!

@MySecretMathTutor 3 года назад

Glad I could help out. :^D

@TaeVyKim 10 месяцев назад

how to put absolute value in casio fx-9750gii

@MankeleZulu 11 месяцев назад

I just found this video and tomorrow I am writing found it very helpful ❤❤❤❤❤❤❤

@sayedjehad1376 2 года назад

Thanks its very useful made my day brother

@kburgess47 10 месяцев назад

how do i clear the numbers from the memory now????

@yogeshkumar7389 2 года назад

Brilliant, made my day!

@FitmeetsPhysicalEducation 4 года назад

I like your class sir. please make a video on how to find "t" test for one sample nd paired sample How to test weather data is significant or not.

@ggongaga Год назад

I’m currently stuck at the shift 1 part, my calculator is Canon F-789SGA, and it doesn’t return to the stat options once I click Shift 1 since there’s no function on the numbers on my calculator except 9 which is to clear memory. Do you have any tips on how to proceed to get the VAR:’)

@briannaoceguera517 6 месяцев назад

Thank you sir

@johgrant 2 года назад

How can the population standard deviation be less than the sample standard deviation? This is surely incorrect: the population must, almost certainly, have greater variability than any sample taken from it. The sample standard deviation is therefore an underestimate of the population standard deviation. This underestimate is corrected for using Bessel’s correction. On older Casio calculators the notation was sigma_n for the sample standard deviation and sigma_(n-1) for the corrected estimate of the population standard deviation. The newer calculators seem to have the notation precisely the opposite way around.

@Zakc1189 11 месяцев назад

I noticed the same thing for my calculator. The formulas seem to be switched.

@heaven_sky783 10 месяцев назад

Thank u so much ❤❤❤❤❤

@SHREST_SAM 2 года назад

Thank you so much 😁❤

@msslxz 2 месяца назад

I just had an exam 30 minutes ago. why don't I see this video earlier TT now

@jasonvan6742 Год назад

It's great!! Thank you so much!!

@itsmeyousee4488 3 года назад

ughhh thank youuuuuuuuuuu

@natashacalva7162 4 года назад

Thanks!!!! excellent content, you helped me so much :D

@ernestocamposjr.3057 4 года назад

Very useful, thank you

@_RoqueLM_ 3 года назад

Awesome, thank you.

@stephenokocha8364 2 года назад

THANKS SO SO MUCH.

@saltystorm8806 3 года назад

Thank you so much!

@hunny_dewww9834 2 года назад

THANK U SO MUCH

@unrealxx925 2 года назад

thank you kind sir !!!!!!!!!!!

@abdulkarim2455 2 года назад

Thank you

@Dlktar Год назад

Why this feels like cheating method haha. Man the traditional method is very time consuming

@sohailjanjua123 3 года назад

Hi I like your video

@_KBM 2 года назад

thankyou alot

@BucciThaJagaban 4 года назад

How do you put two data list?

@MySecretMathTutor 4 года назад

This calculator is limited, but you can add a Frequency column..... 1. Press MODE, choose 3:STAT 2. Choose 1, 1-VAR 3. You should see the X list and the FREQ list. If the FREQ list is not ON, press shift setup, scroll down, choose 4:STAT, 1: ON. Now you have your FREQ (You don’t need to do this again unless you reset your calculator). 4. Enter your data in X list, frequencies in FREQ. If you just have a list, no frequencies, the calculator assumes FREQ 1 for each data item. 5. Once your list is updated, press AC. 6. Press shift and key #1 (behind it says STAT/DIS). 7. Choose 4: Var 8. For mean choose 2: X bar; for Standard deviation 4: sx. If you need both, choose one of them, press equal, see your result; press AC again, and again shift key #1 , again 4: Var, and choose the other variable. 9. For median (med) once you press shift #1, instead of 4: Var, choose 6: MinMax.