Wish u were my math teacher... thought statistics was hard buh you make it so simple to understand 🔥🔥why do most math teachers make simple things so hard aaaaaaaaa
So basically, using Chebyshev, means you're always "at least 75%?" I don't understand the point of the little formula if it always means 75%. What am I missing?
It depends upon the value of "k" i.e. the number of standard deviations away from mean. If its 2 standard deviations away from mean then yes the data is always within 75% atleast. Similarly for 3 standard deviations the spread of data always lies within 89% ,and so on & so forth. Hope this helps
I have one question what if I want to know how much data lie between two different standard deviation. here both lower limit and upper limit ($22000 and $50000 respectively) are equally apart from mean . what if I want to calculate data between lets say $25000 to $60000?? do i need to calculate k value for both limit and substract the percentage between them??
Hi, Could you please explain to me why you got 12.82 as Standard diviation? I got 38.92 as my Standard sample diviation. I already watched your previous videos, but I still dont get the same result than yours. Thanks
I double check the calculations and it seems like the 12.82 is good. For help on standard deviations you can check out the formulas and calculate by hand: th-cam.com/video/n64puqeZWcU/w-d-xo.html or use a calculator like the Ti-84: th-cam.com/video/vSjs-Vehaf8/w-d-xo.html
Know it's a month late, but 1 - 1/4 means in order to subtract, you need to turn 1 into a fraction with the same denominator as 1/4, so 4/4. Then do the subtraction of 4/4 - 1/4 which gives you 3/4.
At that time, I'm just interpreting the problem. The average is 36,000 so I'm adding some number of standard deviations to get 50000. For example 31000 + (1)(4100) would put you at 1 standard deviation above the mean. 31000 + (5)(4100) would put you at 5 standard deviations above the mean. So I'm trying to figure out how many standard deviations above the mean the 50000 is.
Thank God for you! I did not understand this when my professor explained it, but now I will ace my homework thanks to you!
same tbh
I've been struggling in my graduate level Stats for Experimenters class and your instruction is SO helpful. Thank you!
Happy to help! :^D
Thankyou so much, this theorem is on my homework but the teacher and textbook haven't taught us this yet lol..so thankfully found your video!
Wish u were my math teacher... thought statistics was hard buh you make it so simple to understand 🔥🔥why do most math teachers make simple things so hard aaaaaaaaa
Bro just came in clutch helping me finish the last question on my test, much thanks
thank you, and the neat handwriting makes it so much easier to follow! it was hard following my uni professor😭😭
Thank you very much! I was stuck on a problem like this for over an hour.
Nice lecture 👌. Helps me to solve my assignment question. Love from India❤️
i can not thank you enough for this.
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i really love this guy
Thank you so much you made it 100 times easier
It sure did help!
Thanks a million
so well explained wow
very good and enough explanations thanks a lot
thank you from Oman 🇴🇲
Really appreciate your work and help
So basically, using Chebyshev, means you're always "at least 75%?" I don't understand the point of the little formula if it always means 75%. What am I missing?
It depends upon the value of "k" i.e. the number of standard deviations away from mean. If its 2 standard deviations away from mean then yes the data is always within 75% atleast. Similarly for 3 standard deviations the spread of data always lies within 89% ,and so on & so forth. Hope this helps
very well explained .thanks !
U r best 👍
Thank you, Sir! You are great!
Sir which type of calculator you used ? please tell me model name & price & from where i can buy this type of calculator
Thanks so much
Thank u so much
Bless you
I have one question what if I want to know how much data lie between two different standard deviation. here both lower limit and upper limit ($22000 and $50000 respectively) are equally apart from mean . what if I want to calculate data between lets say $25000 to $60000?? do i need to calculate k value for both limit and substract the percentage between them??
where did you go on the calculator that looks for all the info (mean, etc)
5months late but its the STAT button on the Ti84
how did you plug in the 30 data points for the SD and mean on the calculator ?
Appreciate you fam
Hi,
Could you please explain to me why you got 12.82 as Standard diviation?
I got 38.92 as my Standard sample diviation. I already watched your previous videos, but I still dont get the same result than yours.
Thanks
I double check the calculations and it seems like the 12.82 is good. For help on standard deviations you can check out the formulas and calculate by hand: th-cam.com/video/n64puqeZWcU/w-d-xo.html
or use a calculator like the Ti-84: th-cam.com/video/vSjs-Vehaf8/w-d-xo.html
1-¼... how did we get ¾ from that?
4/4 - 1/4 gives you 3/4
But what if the distance between the two intervals are not equal in distance from the mean?
Where does the 3 come from in Chebyshev's theorem? How does 1- 1/4 turn into 3/4?
Know it's a month late, but 1 - 1/4 means in order to subtract, you need to turn 1 into a fraction with the same denominator as 1/4, so 4/4. Then do the subtraction of 4/4 - 1/4 which gives you 3/4.
thaaank you
5:00 what formula is he using here? '
At that time, I'm just interpreting the problem. The average is 36,000 so I'm adding some number of standard deviations to get 50000.
For example 31000 + (1)(4100) would put you at 1 standard deviation above the mean. 31000 + (5)(4100) would put you at 5 standard deviations above the mean. So I'm trying to figure out how many standard deviations above the mean the 50000 is.
What to do when k is less than 1?
can someone explain why 1-1/4 turned into 3/4?
1=4/4
So 4/4-1/4=3/4
@@yuen__7 ahhhhhh i see
@@yuen__7 wouldnt it be -3/4 since 4/4-1-4 i feel like if it was 1/4-4/4 itd = 3/4
you lost me with all the shortcuts I can't turn in shortcuts
Oh ma God, maths difficult😢