How to calculate Standard Deviation and Variance
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- Опубликовано: 4 окт 2024
- Tutorial on calculating the standard deviation and variance for a statistics class. The tutorial provides a step by step guide.
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THANK YOU, GOD BLESS BROTHER! I pray for whoever reads this to excel through there current math class if you're facing any trouble!! Strive now and shine soon!
7 months later:
:|
You mean to edexel
Amen
God bless 🙏 you too
Amen !
I think it should have been noted that there are two types of standard deviation: sample and population. The method used here is sample standard deviation because it divides using n-1. Population standard deviation divides using n. Which method used depends on the data being analyzed.
BigBadBurrow : thank you! I was confused abt that but thanks to u i understand now :)
thank you. I did a practice question and was confused on where i had gone wrong
thanks I was confused
@@esther4482
.
Yeah I I came here in the comment section just to read your comment... Problem with n and n minus one
omg I'm not sure why my professor made this seem harder than what it is
Mine 2
It can be difficult to explain or it can also be a case that your professor may not actually care.
omg relatable
Here we take it In grade 9
@@bighands69 most don't bahaha
As a mother going back to college in her 40's, I was struggling with Statistics. My college course is online which makes getting help from an instructor very daunting. I appreciate what you do very much! Everything just sort of clicked and made sense while watching your video.
how did you do? I hope all went well!
Thanks for the question. The 6 is the number of observations (n).
Thank you
What does that mean?
I always appreciate hearing that my videos are helpful. Thanks!
I found this video a year ago, and here I am again, getting my behind saved by this awesome technique. You Sir are a Legend in my book.
i just learned more in 5 minutes then in my bullshit of a math class
Wonderful! That is my goal to help students learn, so I appreciate your comments.
Make sure that you like MyBookSucks on FaceBook (see the link in the video description). This will help others find the educational videos, so essence you are helping other students.
I don't even know how else to tell you "THANK YOU"
You're my superman... You literally saved my grade 😭😭😭
This helped me so much, my professor made it into something 10x harder thank you
It's been 30 years since my statistics class. I was hoping to refresh my memory so I could help my daughter. I'm going to send her to this tutorial (and any other's you have posted)! So easy to understand. Even your tone of voice says "you can do this!"
Thanks for you kind words. Good luck to your daughter as well! I have maintained for a long time that statistics is not a difficult subject it is just taught poorly and the resource materials (books) are bad as well.
Learnt more in 5 minutes than I did in hours of classes... thanks!
Even 7 years later this is like one of the best videos I've seen about Standard Deviation and Variance, this is really going to help me with my Research Methods and statistics exam, thanks for the video!! Good Job!!
I am writing research methods and statistics tomorrow 😊
I learned an entire unit in 5 minutes. Short and easy to understand, thank you !
The ad told me to drop out of college...
+Thomas Edgerton go ahead bro
Fuck me i died when i read that phahahahaha for a 2 year old comment that tickled me
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Same
Wow! Thank you so much! I have been so confused for the past few days on how to figure out the standard deviation, I knew the formulas and procedures but you just explained it so incredibly clear and patiently. You are so amazing and you get a 10+ rating on teaching, thanks so much for posting up this video. Amazing tutorial!!!! (This is coming from a person whose weakest subject=MATH!).
I have been studying for a comprehensive math exam covering algebra to calculus and this is by far the most helpful video I've watched. Excellent job!
I've been doing stats for years, and I don't think I've ever seen the variance calculation explained so well. Good job!
I never learn statistics with english language until starting Master's degree, then soon I watched your videos I feel like you are the best teacher ever in statistics. I appreciate your work and every single video you did for us.
I never understood this things in university, until I watched this helpful video.
Thanks alot
Who is here cuz tomorrow is exam
After 1 hour bro 😃
20 minutes
@@organizedmicrowave4414at the exam
me
After all these years mine is today
This video is 12 years old at this point, yet it helped me sooo much! If you're still out there doing these videos, I just want to tell you thank you! Before than any textbook can explain!
Meghan, Yes I do my own animation.
I use a variety of different software including photoshop, illustrator, HTML5, Final Cut, GarageBand and a few other products. Each video takes me a long time to create. My rule of thumb is each minute of video takes about 12 hours to create, so a 7 minute video takes me about 84 hours of development time.
Wow. Well thank you very much for all your hard work! It is well appreciated!
How to get the standard deviation?
Excellent job taking some rather complex information that is often confusing the students and putting it into simple terms that are easy to follow and understand. Well done
Great Video lecture... pretty much makes my life easier.. a bit of advice.. Try using a better mic or boosting it .. seriously had to double the audio on my media player to hear you loud enough
Thanks Tom. I always appreciate that my videos are helping students pass their classes. Good luck in your classes too.
You Are A Life Saver!!! I was So lost Until this video!!!! Thank You!
+Latoya Wyatt You are very welcome. Hopefully you will get a chance to like and share the videos. This will help other students find them.
+statisticsfun love it but I'm still lost lol
Great video, one of the very few on youtube that put everything into simpler terms. This was extremely helpful.
i was taught a diff way to do this. I really like the way you solved this problem. That i will be using your method. Thank you so much for explaining!!
I am taking statistics online to finish the pre-reqs I need to get a higher-level nursing degree. After wrestling with a homework assignment, I sought youtube assistance and this was the first video I watched, which simplified it and made it seem do-able. Thank you for posting this! I appreciate it so much!
Rachel Mitchell Thank you Rachel for taking the time to write me. Online classes can be a real struggle. I am happy to hear my videos are helping you. Let me know if there are additional topics you wished I had videos for. It will help guide me, so I can help other students with their online classes. Good luck in your online class too.
OMG thank you, you save me, I have a test in like 10 minutes and didn’t know how to get the standard deviation
Thank you so much for making an otherwise lengthy calculation so much more simple and faster. THANK YOU.
Thank you very much! I never thought I could ever understand the standard deviation this friendly and simple way! Has always been one scary topic for me!! Hugs!!!
Thanks Man. My entire statistics class can't be compared to this 5 mins of simplified explanation. Professor made it like rocket science.
Your explaination is so easy to understand. Thanks!
Didier Ngombo You are very welcome. Hopefully you will like, share, subscribe, If you get a chance could you please like our FB page. www.FaceBook.Com/PartyMoreStudyLess
It will help others find the videos.
Thank you so much for this sir, I cried from how relieved I felt to finally understand this.
Thanks for the compliment. I always appreciate the feedback. By the way I am getting ready to load a video about degrees of freedom (n-1) for standard deviation and variance.
Make sure if you like MyBookSucks on FaceBook (see the link in the video description). This will help me spread the word about the educational videos.
This has helped me in answering a question I didn't know how to deal with. Thank you so much, sir!!
Wow. Please post anything you want. I'll watch it, even if its not my course to learn.
Thank you for making this! I find this much easier to understand than almost any other video, which gives almost completely irrelevant instructions or is too complicated and fast for me to understand.
That was fantastic, so organized and straight forward!
Hii
Thank GOD for you. A lot of instructors on here assume people remember how to do this stuff. I AM SO HAPPY that I found someone to take me step-by-step. God bless you and thanks :-D
thank you so much man! This will help me for the exam!
THANK YOU FOR YOUR VIDEO!!! i am in online classes and i was looking through videos that had a breakdown and couldn't find any. Yours was exactly what I was looking for.
thank you SOOOOO MUCH!! I have a test on this tomorrow and before I saw your video I didn't know jack shit. YOU MY FRIEND ARE A GRADE SAVER :)
same situation
Nine years later, and this video is still helping people. Thank you!
I am taking AP Statistics this year, i have a feeling i'll be watching alot of your videos.
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I have learned more in this five-minute video then I learned in whole month of doing Statistics! Thank you for your expertise!👍🏽👏🏾
You're the real MVP
Finally!!! After watching various confusing explanations about SD and finally found one that is so clear precise tidy and you even paused for thoughts. Thank you so much!!!
Color coordinated, great pace, and detailed.
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dyyying!!!
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This man really got turned on to this😂
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This is such a great video. I got injured and missed 3 classes before returning, and this is the best explanation I’ve found!
Thank you so much ! Just understood 3 chapters of work with this lol.
Since i have been watching online example, this is the only one example I understood better than all, excellent job.
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The color codings, the clear & calm explainations, the arrows... how could you dislike this video ? 🧐
AWESOME VIDEO!!!!!! excellent thank you so much, please keep doing what you're doing!!!!
+PtoArchAngel93 You are very welcome Hopefully you will get a chance to share and like the videos. This will help others find them.
bro, the voice volume is so down. make it up, plz.
Voice volume is very low in this vid. Headphones are almost required!!!
Tomorrow is my exam!
I was so stressed with this problems but..I'm so thankful that I'm blessed with this lesson..I think that such questions appear on my exam within a second I will do it..without doubt.
May my God bless you with abundance of blessings.😊❤💪💪💪
why n-1? There are 6 samples and each have a equal probability of 1/6, why divide by 5?
I was wondering the same thing
+wenhao li It eliminates bias
+wenhao li have seen that in sum vids nd i wonder y eliminate another 1
Those are the values that are independant of the mean value. Im taking stats right now in uni and by no means an expert. Thats what I've been taught and it makes enough sense to me to know its for good reason
The -1 is called losing a degree of observation if you're calculating a SAMPLE variance. If you DO have the entire population, you should/can use n for the population variance.
Currently in Algebra 1, in 7th grade. This videos are so helpful. You are the best teacher on RUclips, and your videos are very professional
That is a good question. If you go to about 3:36 in the videos where I add up the column of information that equals 166, this is SS or Sum of Squares. Your professor may use a different formula (computational), but it is the same thing.
Make sense?
This tutorial was God sent!!!! Keep doing what you doing because we truly need your instructions. Thanks shannon
thank you very.. very well explained
writing a test soon? if so, same here.
good luck!
Wish youtube and these channel were there during 90's .. Kudos for explain it
@staisticfun how did you get s=5.74 I got a liitle lost at that part
Ms Kyny square 33.2 and that’s weee you get 5.74
Its 5.76
if i squared 33.2 and i get 1102.24, how do i find the correct answer which is 5.76?
Lesley Garcia find the square root of 33.2 not square 33.2
THANK YOUUUUU for this video. EXCELLENT. finally understood standard deviation after reading about it for 3hrs. I just understood it in 5min with this video.
My professor told me we were not going to bother with this formula because its too long and takes forever but this is SOOOOOOO much more helpful and easier for me. Thank You.
Damn it dude, I love you 3000
Thanks, RUclips did truncate the link. I will put a new one up shortly. You are helping a lot of people, please keep doing what you are doing.
neat and simple. i like this. thanks bruh
rich homie Appreciate that! Hopefully you will like, share, subscribe, If you get a chance could you please like our FB page. www.FaceBook.Com/PartyMoreStudyLess
It will help others find the videos.
Appreciate the simplicity has been used in your videos.
Thank you sir Good job . :) :)
It is very helpful, the info is pretty clear and not overwhelming, straight to the point.
Maths makes you stay up at night and so does meth.
Math=Meth?
Oh my goodness! This was so helpful! Thanks so much! I have my first college exam tomorrow in Stats and was freaking out because I didn't understand standard deviation! Sir, you deserve an award!
Be my teacher. Please.
This is hands down the best video I've seen on the subject. Very well explained and beautifully presented. Thank you very much!
HOW THE HECK DO YOU GOT 5.76
√33.2
thank u for keeping it simple!!! and it's neat and clean! don't need much volume if you follow the steps...
why are you whispering?
ASMR maths
This video was fantastic. I left a lecture today feeling confused as these calculations were not explained properly. This is a lot easier than i thought!
Who's here on 9/13/2108?
I'm from the future, the RUclips service as you know it was shut down on 7/1/2067
I'm from further into the future, the RUclips Retro Classic service was started again as an elementary school project in 2096 as people romanticized about the days before instant data sharing across all human brains on the network. Modern (postwar 2077+) humans actually enjoyed the way you primitive humans once spent hours endlessly watching video after video to learn rather than just instantly having the knowledge on demand. They feel like they got a bigger reward from putting in the extra work.
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Learned more here then in class thank you so much stopped me from having an anxiety attacked before a test in class and literally stopped my mind from going blank THANK
YOUUUUUUU
Wow! Amazing and straightforward. In 5 minutes I understood more than 2 weeks with my professor. Thanks!!
Awesome video! I was stuck for 2 hours, saw your video, and pushed ahead.. thanks a bunch.
i'm from Malaysia, and i would like to say thank you very much for this great tutorial!
You are very welcome and good luck in your classes too.
the chart saved my LIFE! Ugh, my professor was just droning on and on. Thank you so much!
before watching this I was so confused about standard deviation and variance but this video make my day and make this easy for me.
wow, so simple and to the point without all the unnecessary fluff. thank you!!!!
I don't usually give comments to videos I watch but this one is really helpful so I will. Thanks for this almost 7 years old video, I can now answer our exam in statistics :)
wow. You showed me more in this short tutorial than my Stats Prof. has in the past 6 weeks ! You're awesome!
Naim, Good question. N-1 is used for calculating standard deviation of a sample and dividing by just N is when you calculate standard deviation for a population.
I have included a link to a video that explains why N-1. You can see the link in this videos description. It is the third video in the list.
Very useful and well explained way of calculating standard deviation and variance. Helped me tremendously understand these concepts that my professor made very confusing.
You are a magician more than a mathematician . you made everything so clear
You are very welcome and good luck in your classes too.
This just taught me better than a 50 minute lecture did. THANK YOU LIFESAVER!
Thank you so much for your very easy to understand video. I swear youtube teachers like you save me from really struggling through my online statistics class at BYU.
Thank you so much Sir! You just maid my AP Stats homework SO much more understandable. All of the equations where so confusing, and other videos didn't explain the equations, or have them at all, but yours made so much sense! Thanks again!
Kaleigh Lawrence Great to hear and good luck in your AP class too. If you get a chance like my facebook page (www.Facebook.Com/partymorestudyless), share, like, because this helps others find the videos.
Thanks alot man, that's how you teach. No complexity, just through basic and done.
Ermager i wish you were my Stats lecturuer, the way you did this was broken down perfectly and only five minutes. Thanks.