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
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.
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.
![GUILTY GEAR -STRIVE- Season Pass 4 Playable Character #1 [Queen Dizzy] Trailer](http://i.ytimg.com/vi/nXDsAgYXXv4/mqdefault.jpg)
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
I don't know if my calculator has a problem I can't get that answer
On the variance am getting 37.2 before dividing with 20
Me too it's giving me 37.2
Me too it 37.2
It’s too big to fit on my calculator 😢
Good explanation sir may you continue doing good may god bless you
Thanks for your efforts
my variance was 1.86.....thank you sir
Same here how is getting
So like when you square root 1.86 you round it off to how many significant figures
Same
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.
Wow amazing 🤩😍
Sir you are brilliant learn ed alot from you.
Am really humbled
It's me Robby from southern province within sinazongwe district, I understand very well Sir thank you.
That is wrong especially the on standard deviation! He was lying
Well explained, sir. i got a little bite knowledge
So on SD are we not supposed to divide by total frequency
with that method you just need to get like that
@@HarrisonjzuluTutor orty Sir
Thank you for helping us go ahead sir god blessing you ❤❤❤💯
Sir,but if we check the formula for ungrouped it is not corresponding you are using one for grouped data.
Very true
@@MirriamChitapankwathis formula is very ok, just follow.
Well explained thanks very much
Wow so crear thanks so much God bless you 🙏❤
Why are you using formulas for grouped data?
This is great Catherine from monze very clear
This is for grouped data please
This is grouped data sir
What if I have used formula for grouped data?'
Well explained sir ❤🙏🙏
Thank u sir 😊😊😊❤ wonderful
I thought mean has a square
Check your work on variance sir. It's wrong start again
Thank you so much ❤❤
Powerful one
Thank you😊
My variance is 1.86 hence S.D is 1.36
1.86
Thanks sir
Wow❤❤❤ thanks
Sorry sir I don't no cause my variance it giving me 1.86
That's the correct answer. I made a slight mistake on my calculations
I am teacher of mathematics, the tutor used standard deviation formula for grouped
That is very wrong
The variance is wrong chack again
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
Even the formula is wrong
You made a mistake on variance
Yes missed one digit on the calculator. But methods are all correct,
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.
That's what I thought too
@davidmichelo3814
The formula you have used is for grouped data. The variance is wrong.
How
Yes it was wrong, he must be a grade 12 not a Teacher who is trained in Math
❤❤ MI
Plus not prus
You're for violence yoh🤣🤣
Yaba😂😂😂
It’s just an accent have some respect he’s teaching your dumbass for free btw.
No one is perfect