hello kindly note that there was a mistake on the variance,the calculated answer on the calculator, i miss calculated but the procedures are all correct. thanks so much
@EdinaNambeye-y9g
5 ай бұрын
I don't know if my calculator has a problem I can't get that answer
@MaryMukonde-s1h
5 ай бұрын
On the variance am getting 37.2 before dividing with 20
@lukeshimuonga612
4 ай бұрын
Me too it's giving me 37.2
@mubikamubika8412
4 ай бұрын
Me too it 37.2
@antenna7002
2 ай бұрын
It’s too big to fit on my calculator 😢
@GraceSimenda
2 ай бұрын
Good explanation sir may you continue doing good may god bless you
@xavierian7694
4 ай бұрын
my variance was 1.86.....thank you sir
@johnyenesha8691
3 ай бұрын
Same here how is getting
@macfarenchanda
Ай бұрын
So like when you square root 1.86 you round it off to how many significant figures
@mwepukazhika5500
9 күн бұрын
Same
@JudyHatuleke
6 ай бұрын
So on SD are we not supposed to divide by total frequency
@HarrisonjzuluTutor
6 ай бұрын
with that method you just need to get like that
@JudyHatuleke
6 ай бұрын
@@HarrisonjzuluTutor orty Sir
@NaligatP
5 күн бұрын
Thanks for your efforts
@bwalyamwaba7941
3 ай бұрын
Why are you using formulas for grouped data?
@pienaarheither4132
2 ай бұрын
Please Sir, I'm doubting my answer 😢 on ; The rainfall recorded in various places in 5 district in a week are given as follow. Rainfall in mm; 45,50,55,60,65,70 and number of places : 5,13,4,9,5,4. Find it's standard deviation.
@VeronicaKasanda
6 күн бұрын
Wow amazing 🤩😍
@ClaraMulenga-vo7bt
4 ай бұрын
Sir,but if we check the formula for ungrouped it is not corresponding you are using one for grouped data.
@MirriamChitapankwa
2 ай бұрын
Very true
@spiwetafeni6860
7 күн бұрын
@@MirriamChitapankwathis formula is very ok, just follow.
@astonkuyokwa1572
Ай бұрын
Sir you are brilliant learn ed alot from you.
@HarrisonjzuluTutor
Ай бұрын
Am really humbled
@EdinaNambeye-y9g
2 ай бұрын
This is for grouped data please
@BervinMilambo
3 ай бұрын
What if I have used formula for grouped data?'
@DavidMahela
3 ай бұрын
Thank you for helping us go ahead sir god blessing you ❤❤❤💯
@MwewaKelvin
3 ай бұрын
Well explained thanks very much
@catherinehamukabika3053
4 ай бұрын
This is great Catherine from monze very clear
@RobbyNtemenaa
4 ай бұрын
It's me Robby from southern province within sinazongwe district, I understand very well Sir thank you.
@lukalabapensulo6151
9 күн бұрын
That is wrong especially the on standard deviation! He was lying
@tinachinyuka126
4 ай бұрын
Wow so crear thanks so much God bless you 🙏❤
@jeremiahmwale6930
3 күн бұрын
I thought mean has a square
@lucykasongomuba2777
21 күн бұрын
This is grouped data sir
@DadaAketchDeng
4 ай бұрын
Well explained, sir. i got a little bite knowledge
@KuyemaetaKuyemaeta
3 ай бұрын
Check your work on variance sir. It's wrong start again
@CostenDax
4 ай бұрын
Thank u sir 😊😊😊❤ wonderful
@mutaminwamwanza4674
6 ай бұрын
Well explained sir ❤🙏🙏
@MonicaMusole
3 ай бұрын
Thank you so much ❤❤
@ChristonKutwi-vv1yj
4 ай бұрын
Powerful one
@HudsonChingandu
2 ай бұрын
My variance is 1.86 hence S.D is 1.36
@MaryKabulo-cv5jy
3 ай бұрын
Thank you😊
@HellenNalwimba-zp2po
Ай бұрын
1.86
@ritachoice
4 ай бұрын
Sorry sir I don't no cause my variance it giving me 1.86
@HarrisonjzuluTutor
4 ай бұрын
That's the correct answer. I made a slight mistake on my calculations
@lukalabapensulo6151
9 күн бұрын
I am teacher of mathematics, the tutor used standard deviation formula for grouped That is very wrong
@DavidBanda-nd7io
6 ай бұрын
Wow❤❤❤ thanks
@Estherpomat
3 ай бұрын
The variance is wrong chack again
@HarrisonjzuluTutor
3 ай бұрын
If you are able to follow clearly you wouldn't have commented that. I even said confirm the answers, I know they are mistakes there
@lukalabapensulo6151
9 күн бұрын
Even the formula is wrong
@CelinaCelinanawale
5 ай бұрын
Thanks sir
@chimwemwemgomba6791
6 ай бұрын
You made a mistake on variance
@HarrisonjzuluTutor
6 ай бұрын
Yes missed one digit on the calculator. But methods are all correct,
@davidmichelo3814
4 ай бұрын
Am new to this method on finding the variance are you not supposed to use the same method used when finding the mean, but to only square them eg 0(1)²+3(2)²+3(3)² just like that then divide by the total number of frequency which is 20.
@jeremiahmwale6930
3 күн бұрын
That's what I thought too @davidmichelo3814
@chileshekhosa896
5 ай бұрын
The formula you have used is for grouped data. The variance is wrong.
@SiboneloCedusizi
4 ай бұрын
How
@lukalabapensulo6151
9 күн бұрын
Yes it was wrong, he must be a grade 12 not a Teacher who is trained in Math
@PETERHSICHIYANDA
5 ай бұрын
❤❤ MI
@JosephMulenga-s3i
5 ай бұрын
Plus not prus
@OlikaChisebe
4 ай бұрын
You're for violence yoh🤣🤣
@BettyBanda-iw3ve
3 ай бұрын
Yaba😂😂😂
@antenna7002
2 ай бұрын
It’s just an accent have some respect he’s teaching your dumbass for free btw.
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