Using the Casio fx-115es Plus to find the Mean and Standard Deviation of a Discrete Random Variable

Using the Casio fx-115es Plus to find the Mean and Standard Deviation of a Discrete Random Variable

[@AlmightyGTR]

You subtracted mean instead of mean squared at the end. Correct answer is 1.04438

[@kashif30189]

You made an error by not squaring mean, anyhow Thanks a lot for the tutorial. I really needed to know how to use it for my stat exam tomorrow. God bless you :)

[@Adri_noseua]

Fantastic! Thank you so much!

[@alial-mola7215]

You are amazing teacher!! Thank you

[@amrazn57]

Thank you, however for taking the time to make this video.

[@tikibrules21]

YOU ARE A LIFE SAVER

[@colinm1502]

Pretty sure there is a function where you get all of this data without any calcs

[@Juzf22]

GOD BLESS YOU WOMAN

[@googleuser5265]

thank you so much

[@johnmiller3513]

You didn't square the 1.34 for mu squared. Good videos. I and my students love this calculator.

[@sohailjanjua123]

Hi I like your video

[@topgrain]

This calculator is a lot harder to use for statistics than I expected it to be when I bought it.

[@abuzaid9127]

Thank u

[@reemaosaily255]

you saved my life

[@hesarusenithwannigama9324]

thanx alot

[@eliasryane4726]

You can just use the frequency option of the calculator instead of 2 variables

[@kimjbok1464]

Thanks but the finally deviation is 1.04437.

[@moira8433]

NICEEEEE

[@zorro1906]

Thank you but the right answer (1.04438) also people mentioned that in comments

[@mRUSSIA]

I have the Casio fx-115es Plus and the TI-36XPRO. The Casio wins. The TI fails. It doesn't give enough info to complete this problem.

[@houssambenkheira5664]

you did a mistake you forgot to square the mean in the stander deviation formula the second

[@surgeon_506]

تراها نست تربع يا شباب

[@Deadly_virus]

يعطيك العافية عالملاحظة

[@surgeon_506]

@@Deadly_virus اخس يا انا اثرني ماني بسيط 😂

[@Salma-ek8pn]

وين نست تربع

[@surgeon_506]

@@Salma-ek8pn ما اذكر صراحة لكن اظن التعليقات الثانية تذكر هالشيء

[@Salma-ek8pn]

@@surgeon_506 كثر الله خيري ما سألتك الا بعد سنتين😍💞

[@amrazn57]

seriously, why not go back and fix the errors?