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Statistics 101: Population vs Sample Data 

Brandon Foltz
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28 окт 2024

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Комментарии : 146   
@BrandonFoltz
@BrandonFoltz 6 лет назад
ru-vid.complaylists
@prekshashah8656
@prekshashah8656 5 лет назад
Hi Brandon, I started my Masters in data science recently with little to no knowledge of statistics. I stumbled upon your video while doing research on ANOVA. I was very impressed with your teaching methods so decided to start learning statistics from the beginning and here I am, finished with my first video from your playlist and many more to go. Thank you so much for putting out great content and investing so much time and effort into it.
@ritunjayabhandari4251
@ritunjayabhandari4251 4 года назад
Hey. I just started my statistics journey, can you please tell me which video did you start with?
@prekshashah8656
@prekshashah8656 4 года назад
@@ritunjayabhandari4251 congratulations and all the best for your journey going forward :) when I started initially, I was learning from videos as per my class curriculum but then I realized, i needed to revisit some of the basic concepts so I started from the beginning of the playlist. No right or wrong way here I guess. Depends on how much time you have and which type of learner you are. Hope it helps
@NashwaEbaid2020
@NashwaEbaid2020 4 года назад
Thanks for the amazing video ..Hi, Preksha shah .. Now I recently begin in studying data science ..so l want to learn statistics from scratch, python can you guide me and give me advice 🙏 thanks in advance
@sagaradissanayake6104
@sagaradissanayake6104 3 года назад
💔❤️
@shashankpandey1966
@shashankpandey1966 2 года назад
are you a datascientist now ?
@apurvanagoree768
@apurvanagoree768 5 лет назад
Hello Brandon, I can imagine how much effort you might have invested making these videoes. I highly appreciate your articulation and empathy. Thanks for making the difference for so many...Respects...
@allenbacon78
@allenbacon78 8 лет назад
Thank you again! This must have taken an incredible amount of time to put together. For what it's worth it is proving invaluable to my educational process. I didn't think I was going to be able to understand statistics but you have proven me wrong. I am using your videos as a springboard to the college level statistics class that I have to take in a couple of months. I am living proof that even a non-math person can understand these concepts.
@ajitrao9223
@ajitrao9223 6 лет назад
hi Brandon, I have seen and been through several of your videos. I must say they are outstanding. You are making the lives of several students and practitioners of statistics extremely easy. I congratulate you.
@TheRealHusk
@TheRealHusk 4 года назад
This video helped me understand statistics more than the book my college provided, thank you. They claimed the book used basic terms, but explained none of them, I appreciate the time and effort you put into this.
@AsadKhan-lu8kx
@AsadKhan-lu8kx 3 года назад
Dear Brandon, this may sound too familiar but truly appreciate your time and effort in uploading these videos. Secondly, I think it would be greatly helpful if you could leave a link in your video that leads to the next related video. Much love and respect from Pakistan!
@ol7668
@ol7668 5 лет назад
Come back again. Brandon, brilliant. Watched the ad all the way till it ends, for ya!
@kattree8482
@kattree8482 10 лет назад
your presentation rocks! and u explain EVERYTHING! thanksss for mkiing these videos
@fayekuan9791
@fayekuan9791 4 года назад
Just starting to dive into data science with almost zero statistics knowledge.... thank you so much Brandon for the series
@АлиханНурланулы-с9я
Hey Brandon! Thanks for your videos! You start from the basics and it reduces the feeling of frustration ! As we all learners and we need to somehow test ourselves whether or not we fully understand ideas, concepts from each video , so my suggestion is to include self checking questions .
@dvadithala
@dvadithala 6 лет назад
I thought I knew it all when I started the video. I am glad I didn't skip this video.
@mikemuchimba2825
@mikemuchimba2825 5 месяцев назад
I will finish the entire course. Good material.
@wasserman9034
@wasserman9034 4 года назад
Hello Sir, I just fell in love with stats and that's just because the way you teach. Thank you :) . You are doing a great job :)
@ashwinvenkateshvaran654
@ashwinvenkateshvaran654 8 лет назад
Loved it! Your playlist on descriptive statistics is a life saver!
@dlastor
@dlastor 10 лет назад
Hi Brandon, Many thanks for taking the time and effort in putting together these impressive short courses. It's great to see this quality of education free, and accessible to the masses.
@Nerrrddi
@Nerrrddi 8 лет назад
Pleeeeeease tell me you finally created a sample size and standard error video! This was getting so interesting and I truly want to know how many bulbs we need for the sample. You're an excellent instructor!
@Ladyxwinter
@Ladyxwinter 10 лет назад
You're helping me pass my final- Thank you so much!!!!
@masihsiddiqui1120
@masihsiddiqui1120 2 года назад
Hi Brandon, Really very good job in explaining the concepts in easy and clear manner. It really helps the students in learning the concepts. Thanks for posting these videos.
@atulhadap2176
@atulhadap2176 3 года назад
Good comparison of the formulae in population and sample
@arnayj
@arnayj 8 лет назад
May I request the video sets in series so that I can go through them in sequence
@gwi9197
@gwi9197 3 года назад
Your videos are actually helpful to me. Thank you so much, sir!
@swissgold89
@swissgold89 7 лет назад
2017 and still helping people with this video =] thank you!
@karthiknedunchezhiyan7935
@karthiknedunchezhiyan7935 6 лет назад
can you please sent me a link for platlist 01
@evelynherrington5587
@evelynherrington5587 10 лет назад
Brandon, I am just starting a statistics course for behavioral therapists. My professor uses your videos. I want to say thank you for your excellent videos and your encouragement because I am rather intimidated by the entire concept of statistics. Great job with your videos! Would you know other resources that will help me grasp the concepts? Our class is using Statistics for the Behavioral Sciences by Gravetter & Wallnau 9th edition.
@freakonomics100
@freakonomics100 10 лет назад
Hello Brandon ...you all videos are very good .. but just make playlist or links so that its easy to find last video ( whenever u mention ) and if somehow videos can be arranged as a course ..... Anyways Thanks a lot :)
@MaverickRam
@MaverickRam Год назад
For guideline #3 for sample selection, from the description it appears that you were implying elements in a sample should be independent of each other instead of the samples being independent of each other. Please confirm if that is a correct understanding. Thanks!
@BrandonFoltz
@BrandonFoltz Год назад
Both! Each sample should be independent as a whole and each item of the sample should be independent of the others.
@MaverickRam
@MaverickRam Год назад
@@BrandonFoltz ok, I understand. Thanks!
@mattannecharico2310
@mattannecharico2310 9 лет назад
What video comes after this one?
@pedropeter_
@pedropeter_ 7 лет назад
ikr, where is the next one Brandon?
@srujan00
@srujan00 5 лет назад
You go to playlist 2, (PL02), then watch those, then PL03, and on.
@taramcgara1
@taramcgara1 10 лет назад
Thanks again! I cannot begin to express how helpful these are to me! (so I'll just keep swimming toward that thesis defense!)
@ldavidwalden
@ldavidwalden 3 года назад
In this video you refer to you previous video when talking about standard deviation. Is there another video which should be watched prior to this one?
@apg_skywalker_2014
@apg_skywalker_2014 4 года назад
Thank you sir for sharing your stat knowledge. Very helpful.
@Joe-jh8po
@Joe-jh8po 6 лет назад
please can you create a playlist for all the Statistics 101 videos, in the general order to watch them? I keep hearing 'as you know from my previous video' and not sure what that refers to, and many other viewers seem to be confused about what to watch next. Nonetheless, thanks very much for making these!
@yesmydarling1
@yesmydarling1 11 лет назад
thanks a lot. your way of teaching is awasome. thanks again for your excellent lectures
@turalkarimov9084
@turalkarimov9084 3 года назад
Hi,Brandon Foltz! Started my statistics journey with you! It seems excellent! Let's see how far I will go! Challange!!
@doczak69
@doczak69 9 лет назад
Thank you so much Sir...liked it & I appreciate your kindness to post it free .
@sourabhbavania8382
@sourabhbavania8382 4 года назад
Hi Brandon, Can you suggest some books that i can follow with these videos?
@happysongytube
@happysongytube 10 лет назад
So good and clear Instruction!
@guscilikhendi8712
@guscilikhendi8712 4 года назад
Thank you brandon It help me a lot for my master
@paulkidson7216
@paulkidson7216 6 лет назад
Your videos and presentation style are wonderful. Thank you for putting them all together. What I do find confusing, however, is the logical sequence in which they can be observed. Is there anyway to simply "number" them from 1 (first video to watch), and then sequentially in an order that would presume someone would want/need if they were to take a full course? Thank you again.
@madhupathak8892
@madhupathak8892 7 лет назад
Thank you so much sir for this vedio... Very easy to understand ... You are my best teacher of statistics now... :)
@gastruperstrasse
@gastruperstrasse 11 лет назад
Really, Brandon - thank you so much for all your effort.
@mathankumars896
@mathankumars896 5 лет назад
Hi. Can you please tell where i can find the next video of this series. Bcoz this playlist contains only one video.
@cheeky_monkey_No1
@cheeky_monkey_No1 Год назад
Hi Brandon (or anyone in the chat) is there a part 2? I only saw this video in the playlist and it seems that it clearly needs to be continued based on the ending.
@davidbolu7179
@davidbolu7179 7 лет назад
Loved the video, it helped. Now I no longer need to be scared of STA 101 in college
@BrandonFoltz
@BrandonFoltz 7 лет назад
Hey David! Thanks for the comment and for watching. You no longer need to be scared because you went out and looked for the help you needed. That is all the difference. Good luck and keep on learning!
@shamsheerkhalid2739
@shamsheerkhalid2739 2 года назад
Hi, does this playlist really have only one video? Seems a bit odd? Were the other videos removed? Would it be possible for you to reshare them?
@Hummingbird2419
@Hummingbird2419 11 лет назад
This is an awesome channel. Do you have play list 2 please?
@damianf2756
@damianf2756 9 лет назад
Hi Brandon, great stuff... I've learned immensely from your videos. I owe you a lobster dinner at some point. Just a passing thought, in my line of work we typically work a lot with lognormal distributions and so far I have been unable to fully understand the concept and find a resource online the deals with the subject of probability and lognormal distributions. If you could shed some light on the subject and put up a few videos it would be most appreciated.....by me for sure. Great job....best wishes to you in all your future endavours....goodluck and godspeed.
@wasimkhan-qi7xx
@wasimkhan-qi7xx 6 лет назад
It is really helpful to the beginner like me... Thanks a lot for making such videos.
@IamApocalypse01
@IamApocalypse01 2 года назад
Hi Brandon, Is there a statistical analysis to predict a sample selection bias? If yes which one? Thanks in advance.
@chenwei7
@chenwei7 5 лет назад
Dear Brandon,thank you very much!
@曲-e9m
@曲-e9m 7 лет назад
Hi Brandon. Thanks for the excellent and clear explanations. I'm working my way through your videos but can't seem to find Playlist 2. Could you point me in the right direction, or just let me know what topics fall in between PLs 1 and 3 so I can read up on them? Thanks again for making this treasure trove of knowledge available to us. Subscribed.
@sadhanashukla
@sadhanashukla 7 лет назад
Hi Brandon, video are very good indeed. But it is a bit confusing in which order it should be watched. so after going through you playlist I felt I should go from Statistics 101 PL 01 to Statistics 101 PL 17. But unfortunately couldn't able to find Statistics 101 : PL 02
@siamsi6465
@siamsi6465 9 лет назад
Clear, very easy to follow and learn from! You're the best, sir! That's all I could say. :) Thank you so much for sharing your knowledge with us. :)
@MDrummKid2
@MDrummKid2 4 года назад
Great video! I found that watching at 1.75x speed is much more efficient. Great info regardless.
@s.haniya3937
@s.haniya3937 8 лет назад
Dear Brandon, Amazing Job, Thanks... I am unable to find PL02 in your play list. is it there? looks some basics are there in PL02 badly needed, and I got lost on PL03.... Thanks for your kind response in advance.
@garlicgirl3149
@garlicgirl3149 8 лет назад
+S. Haniya Agree
@warrendavis4465
@warrendavis4465 5 лет назад
Hey Brandon, which of your videos is the follow-up to this one? Thanks for your help!
@BrandonFoltz
@BrandonFoltz 5 лет назад
Best place to start is here! www.bcfoltz.com/blog/stats-101/ Everything is in order. Thanks for watching
@ashiqhussainkumar1391
@ashiqhussainkumar1391 3 года назад
Is there any prerequisites? Ultimately after 5 hours long search I found your vedios... Plz tell me about prerequisites
@allenbacon78
@allenbacon78 8 лет назад
Thank you! Can you suggest a beginners workbook to go along with these wonderful videos?
@RusMASHXD
@RusMASHXD 7 лет назад
Thank you so much for the video! I could not find the 2nd playlist of the statistics course, how can I get it?
@l.rosemcsherry7621
@l.rosemcsherry7621 8 лет назад
What is the video that follows this? Where we solve the halogen problem?
@imdadbiswas
@imdadbiswas 2 года назад
Hi Brandon, your videos are really helpful. And it would be more beneficial if you also share the lecture slides. 🙏🙏
@sligon00
@sligon00 8 лет назад
Can we get Playlist 02 back for those of us that want to get the basics ?
@ebnzedan
@ebnzedan 9 лет назад
Absolutely smile, amusing and useful. Thanks a lot.
@franbonfan
@franbonfan 9 лет назад
Hi Brandon, your videos are great. I'd like to know if you have a link to the next video cause I haven't been able to find your Statistics PL02. Thanks!
@boriss1976
@boriss1976 8 лет назад
Nice video. However, confused which to watch next.
@MasayoMusic
@MasayoMusic 6 лет назад
Have you uploaded the slides somewhere? I like taking notes on the slides itself. Thank you!
@2002budokan
@2002budokan 5 лет назад
Hi Brandon, I've been following you for a while, you are making great videos. But any material we learn requires repeating before it fades in our memory and well repeats should take shorter time. I tried to take notes but it is very time consuming. Just watching this video takes 27 minutes ~1/2 hours. Multiply this with all videos... So , If you don't mind, can you share the course slides? It would be great if I could repeat the content of the videos I watched when I sip my tea next morning.
@prekshashah8656
@prekshashah8656 5 лет назад
Hi there, You are right, I also started taking notes but it takes time which is okay as it keeps me engaged but I wonder if you figured out a way to access slides. Please share if you did. Thanks!
@jovlakmn1086
@jovlakmn1086 9 лет назад
these videos are really easy to understand. Thank you for making stats easy.
@dathatreyakv5767
@dathatreyakv5767 5 лет назад
Hi Brandon thanks for such great videos Can we get these slides/documents of you any ware of your blogs or websites?
@nikunjgattani999
@nikunjgattani999 9 лет назад
Hi Brandon, Your videos are very helpful. I am new to statistics and want to learn modelling. Do I need to follow any order to go through the videos?
@ishaantyagi
@ishaantyagi 9 лет назад
nikunj gattani this is PL01 , you move on to next like PL02 and so on.
@nikunjgattani999
@nikunjgattani999 9 лет назад
Thanks Ishaan
@Incrue
@Incrue 9 лет назад
***** There's no PL02
@franbonfan
@franbonfan 9 лет назад
***** I can't find PL02 either. Do you have a link?
@ramesherrabolu1590
@ramesherrabolu1590 4 года назад
Where is the video on sample size and std error. It is part of another series e.g. PL02, etc
@rhoninpowers
@rhoninpowers 7 лет назад
Has anyone been able to find PL02? I also want to complete see the resolution to the Halogen problem...video 1 was so great that I've already memorized the standard deviation formula for both pop/sample... but desperately want to see what happens after vid 1????????
@sadhanashukla
@sadhanashukla 7 лет назад
No, even I am searching the same.
@karthiknedunchezhiyan7935
@karthiknedunchezhiyan7935 6 лет назад
can you please sent me a link for platlist 01
@ravindramishra2168
@ravindramishra2168 5 лет назад
where to find the next video in this series ?
@raycyst-k9v
@raycyst-k9v 4 года назад
Can i get a transcript of these videos somewhere ?
@pingnikhil
@pingnikhil 7 лет назад
At 12:48, maybe better examples than "Refer a friend" would be sampling of twins, triplets, septuplets etc. Or, even sampling of multiple women in the same family. Reason: Friendship need not be between similar people. (opposites often do attract.)
@simplest2remember
@simplest2remember 10 лет назад
Brandon - thanks for all this generosity. I'm up to statistics PL02 but appear to have lost it...
@BrandonFoltz
@BrandonFoltz 10 лет назад
Hi David! There is no PL02 yet. It covers very basic topics that I plan to revisit at a later time. Thank you for your very kind words. Best, B.
@sneakykid05
@sneakykid05 10 лет назад
***** I am looking foward to a PL02 playlist as well!
@bennykhoo99
@bennykhoo99 11 лет назад
Thanks for the video! Where is PL02?
@SaeedKhan-Moral-Motivation-786
very help full i appreciate your effort
@pinkyc7328
@pinkyc7328 7 лет назад
You r the best teacher. Is it possible to create videos just on sample size calculations for all statistical tests may be using ExCEL.for e.g. Chi-sq, t-test, survival etc...
@phoneking9317
@phoneking9317 6 лет назад
I have to say you are great and amazing!
@chasityj.4130
@chasityj.4130 8 лет назад
My first time here and my first time taking stats in college. I'm counting on you. lol
@garlicgirl3149
@garlicgirl3149 8 лет назад
I too feel like I am lost but then I read some responses and I realize there is a piece missing. I hope you find time in the future to add it. It is badly needed. If you are too busy perhaps a qualified student of yours?
@LanceDobson
@LanceDobson Год назад
What is a "land line"?
@MahdiSafarpour
@MahdiSafarpour 5 лет назад
Dear Brandon, Would you please introduce some references to learn why the samples should be independent of each other?
@EdgarFlotte
@EdgarFlotte 8 лет назад
Great amazing video. Question are you going to upload the following video about sample size? please!! :) upload a PL02 play list with it.... I beg!! :) you are fantastic!!!
@vasaviankamreddi3098
@vasaviankamreddi3098 7 лет назад
Hello Brandon!! Your presentations are good. I am novice learning statistics. Could you please order the videos according to level as from basics to higher concepts. Thank you.
@BrandonFoltz
@BrandonFoltz 7 лет назад
Hello! Thank you for watching. They are in order from basics to higher level via playlists and inside playlists. You will see PL for "playlist" No PL02 though.
@gmailaaaa
@gmailaaaa 7 лет назад
Brandon, cannot find playlist PL. Please check.
@himaneeva
@himaneeva 7 лет назад
Can u please explain why we take (n-1) in the formulas in case of sample data?
@kparag01
@kparag01 6 лет назад
Himanee Apte i will tell u . Its because sample variance with n-1 is unbiased estimator of population variance.
@hetaeramancer
@hetaeramancer 3 года назад
@@kparag01 why?
@rhoninpowers
@rhoninpowers 7 лет назад
excellent video!
@projectmike859
@projectmike859 8 лет назад
Is there anyway i can download these slides?
@therob107
@therob107 10 лет назад
Nice video!
@prabhudaskamath1353
@prabhudaskamath1353 4 года назад
Great Lectures., Liking and learning every minute... Mooo!!! Oops! Myooo :-)
@HamodiElwaifa
@HamodiElwaifa 5 лет назад
Hi Brandon and everyone! I can't seem to find the video on sample size calculation. Can anyone share it with me. Thanks
@vulnerablerummy
@vulnerablerummy 5 лет назад
if you mean the question on the last slide, i think you can find the answer on playlist 7, standard error of the mean video. if i were to summarise it simply, the increase in sample size is beneficial, until a certain point where it becomes too much/too expensive to do, and the law of diminishing return kicks in. (in playlist 7's video, selecting 150 samples is as accurate as selecting 500 samples, since their standard error calculation is very close to each other/virtually identical)
@vulnerablerummy
@vulnerablerummy 5 лет назад
but, if you're just starting, don't fret too much about this stuff, just run the playlist in order as usual, you'll get there eventually, and you'll comprehend it more clearly
@HamodiElwaifa
@HamodiElwaifa 5 лет назад
@@vulnerablerummy Thanks Michael. I actually wanted to be see how he would calculate the sample size. Wanted to see him calculating it. I've watched the video you mentioned above, but it's not what I want.
@FEFRANKIE
@FEFRANKIE 11 лет назад
It was awesome. Thank you
@pradoshkumar9310
@pradoshkumar9310 7 лет назад
where is statistics PL02 playist? Could you please help?
@karthiknedunchezhiyan7935
@karthiknedunchezhiyan7935 6 лет назад
can you please sent me a link for platlist 01
@johncary8723
@johncary8723 7 лет назад
Is this the order that we should watch these videos? Do you have them organized in a particular order so that it continues to build upon the one before it?
@justicedoit
@justicedoit 4 года назад
Thanks !
@sivapaturu5784
@sivapaturu5784 5 лет назад
you explained population and sample cearly but you should have told what is standard deviation ,what is variance,what is mean before telling formulas
@korman9872
@korman9872 Год назад
Tx very much sir
@PrayEndureLove
@PrayEndureLove 2 года назад
17:39 I burst into laughter 😂
@danishdude6750
@danishdude6750 5 лет назад
Another difference (not shown) is X compared to x (population vs sample). n in the population formula should have been N, just saying :-)
@tictocware5086
@tictocware5086 8 лет назад
Thank you for sharing. Good karma to you.