Calculating the Confidence interval for a mean using a formula - statistics help

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  • Опубликовано: 14 июл 2024
  • This video carries on from "Understanding Confidence Intervals" • Understanding Confiden...
    In this video we introduce a formula for calculating a confidence interval for a mean.
    It uses graphics and animation to help understanding.
    0:00 Introduction
    1:50 Level of confidence
    3:00 An example using a sample of apples from the orchard
    4:18 Important clarification about what the confidence interval is NOT.
    4:35 Example of lots of confidence intervals from the same population
    See creativemaths.net/videos/ for all of Dr Nic's videos organised by topic.
    #DrNicStats #Statistics

Комментарии • 503

  • @meems6382
    @meems6382 6 лет назад +239

    I learned more in this 5 minute video than I did in a 2 1/2 hour lecture last week, THANK YOU!

    • @DrNic
      @DrNic  6 лет назад +38

      I'm pleased to hear it. It might be that it helped consolidate the lecture material. Either way it is great to help.

    • @realdvgarg
      @realdvgarg 4 года назад +20

      @@DrNic humble.

    • @catherinej8819
      @catherinej8819 3 года назад +6

      WAS LITERALLY ABOUT TO COMMENT THIS
      lowkey kinda mad that I woke up for an 8am lecture and felt really lost and confused and then watched this video and now I understand like why am I

    • @alenjose3903
      @alenjose3903 3 года назад +1

      @@catherinej8819 im coming from khan academy, he's done a horrible job too.

    • @DrNic
      @DrNic  3 года назад +8

      @@alenjose3903 Thanks for that. Khan is not a statistics teacher and teaches like a maths tutor which is quite different. I really appreciate it when people can see the difference.

  • @johnstuart6002
    @johnstuart6002 7 лет назад +157

    "You can read it from the table" *shows actual table

  • @user-zk3bc6cc2g
    @user-zk3bc6cc2g 7 лет назад +109

    This video is awesome. I recommend all of my professors to watch this before going to class!

  • @danspitalnik
    @danspitalnik 8 лет назад +121

    So much clearer than my lecturer. Thanks.

  • @cindyo6298
    @cindyo6298 6 лет назад +7

    Wow, this is one of the clearest videos I've ever seen on RUclips, and it got right to the point. Excellent.

  • @SarahCrookall
    @SarahCrookall 4 года назад +14

    Showing the actual table is incredibly helpful for us visual learners! Thank you!

  • @AndronikosKoutroumpelis
    @AndronikosKoutroumpelis 6 лет назад +11

    Aside from the excellent explanation, I love the humor!

  • @fozangardezi6163
    @fozangardezi6163 6 лет назад +2

    I do not know how much time it would had taken to understand without this video.

  • @blueninja7594
    @blueninja7594 7 лет назад +2

    You are amazing. I've been struggling for so long to learn this thing and now thanks to you it seems like a piece of cake! Thank you so much.

  • @henrybidar8065
    @henrybidar8065 8 лет назад +60

    This video saved my life

    • @tomwhitby5838
      @tomwhitby5838 8 лет назад +5

      +Henry Bidar Never thought STATS is this fun, my lecturer makes it painful but this is delightful

  • @DrNic
    @DrNic  10 лет назад +33

    This video teaches the more traditional way to calculate confidence intervals. It still concentrates on conceptual understanding rather than mathematical methods.

    • @Fastbub
      @Fastbub 6 лет назад +3

      Statistics Learning Centre always a pleasure learn from those who really know how to teach ☺️

    • @najla9180
      @najla9180 5 лет назад +1

      Thank you so much , you are my hero

    • @swalihashanu5827
      @swalihashanu5827 3 года назад

      Does this have any similarity with 'exact confidence interval for mean based on t distribution '??

    • @DrNic
      @DrNic  3 года назад +1

      @@swalihashanu5827 This is not a term I am familiar with. It is a confidence interval for a mean based on a t distribution. Not sure what they mean by "exact"

    • @swalihashanu5827
      @swalihashanu5827 3 года назад

      @@DrNic oohh...I see..Thanks a lott Ma'am for the clarification

  • @linoykohen5923
    @linoykohen5923 5 лет назад +5

    Thank you very helpful almost at a 3rd grade level with your tone of voice and examples it makes it so much easier to understand

  • @akshittuli1211
    @akshittuli1211 7 лет назад +1

    This is the best video about confidence intervals​ which I could find on RUclips !!

  • @jokovik5492
    @jokovik5492 2 года назад +3

    I have watched this video at least 10 times in the last couple of years, and each time I learn something new!
    Great video!

    • @DrNic
      @DrNic  2 года назад

      That’s great to hear. Thanks

  • @anan7b66
    @anan7b66 7 лет назад +2

    Animations and especially those of the equations is just great. Helps a lot. Thank you.

  • @sediye
    @sediye 10 лет назад +8

    this is great!, shocking , really. your voice and teaching ability makes it seem so simple. amazing!!!!!!

  • @Lowkeyyshorts
    @Lowkeyyshorts 3 года назад +6

    Not all heroes wear capes. Thanks a lot. I’m watching this 4 hrs to my exam and you may have just saved me. 😂

    • @DrNic
      @DrNic  3 года назад +2

      Glad I could help!

  • @stephanietorres6047
    @stephanietorres6047 7 лет назад +1

    The animations help a LOT! These videos saved me! THANK YOU!

  • @dakshan
    @dakshan 7 лет назад +7

    THANK YOU SO MUCH! Aced my stats quiz thanks to you!

  • @DrINTJ
    @DrINTJ 7 лет назад +111

    1000 times better than Khan Academy nonsense.

    • @TheMohit8055
      @TheMohit8055 5 лет назад +10

      khan academy video was pretty confusing you are right .. .

    • @hazimhuzaifah4359
      @hazimhuzaifah4359 5 лет назад +7

      exactly right

    • @ryanho4525
      @ryanho4525 4 года назад +19

      That's what happens when an expert in the subject matter forgets who the friggin audience is (beginners at the subject). I love this channel because she explains everything in lay terms with illustrations for visual learners!

    • @MyteeBumbleBee
      @MyteeBumbleBee 3 года назад +8

      Quite right Mohammed! Sometimes Khan's instructors over explain and fail to stay on point with the subject matter. The result is that I walk away more frustrated and confused than I did before watching the video! Dr. Nic keeps it simple and plain; the way I like to learn!

    • @swaggyskye
      @swaggyskye 3 года назад +2

      true that!!

  • @hazimhuzaifah4359
    @hazimhuzaifah4359 5 лет назад

    simple to understand certain cases... very easy... thank you, its rare to have lecturer like you to makes this video

  • @donibrasco1984
    @donibrasco1984 8 лет назад +2

    very nice presentations in all of your videos. No extra words , nothing to confuse. Definitely recommendable to others.

  • @ayosiku2
    @ayosiku2 4 года назад +3

    You are a life saver. I hope you will continue to do this great work for years to come. i have been going through tons of tutorials and I find this refreshing. taking a data science course.

    • @DrNic
      @DrNic  4 года назад +1

      Great to hear!

  • @ryanho4525
    @ryanho4525 4 года назад +3

    I love love LOVE the illustrations and cartoons that accompany these videos. They're so funny!

    • @DrNic
      @DrNic  4 года назад +2

      Thanks. Some people think they are a bit silly so it's good they have cheered your life.

  • @adamitinerant
    @adamitinerant 9 лет назад +3

    Thank you for clarifying what hours of reading has made seem impenetrable.

  • @justinnottelling6148
    @justinnottelling6148 6 лет назад +2

    This was well explained and easily understood video. I am doing an online course, and this helped me understand the material so much better. THANK YOU!!

  • @nihonarekun
    @nihonarekun 6 лет назад +1

    Been watching many statistics videos now, this one has been the only one that's made me smile xD

  • @tinahii7480
    @tinahii7480 8 лет назад +4

    Thank you so much. You just saved me for my upcoming stats exam.

  • @inv8890
    @inv8890 4 года назад +4

    ....I have no words to describe your effort. ma'am, I with you love and happiness.

  • @AhmadKaako
    @AhmadKaako 8 лет назад +22

    Thanks a lot!
    Great statement for clarification at 4:19 about CI :
    "This is not the interval that will hold the weight of 95% of the apples in the orchard: It is the interval that we have 95% confidence will contain the true value of the population mean"

  • @karunanidhimishra4222
    @karunanidhimishra4222 6 лет назад +1

    This video has one of the best explanations for CI.. Awesome

  • @xanderk84
    @xanderk84 7 лет назад +1

    Very clear, thank you. Nice use of animation in this video.

  • @thesmiffable
    @thesmiffable 8 месяцев назад

    Honestly learned more about CIs in your two videos than an entire 4 year undergrad in biological sciences - It is taken for granted that you just know these things. Thanks for a well explained video.

  • @cajunninja8668
    @cajunninja8668 6 лет назад +1

    I know I’m late, but you are a Godsend mam. I might actually be able to pass my class because of you. Thank you so so so so much!

  • @Picknikly
    @Picknikly 9 лет назад +2

    this video is awesome! i made your drawings and schemes in my notebook, it seems so easy when you explain it. Just great!!!

  • @blobmarlis6180
    @blobmarlis6180 7 лет назад +5

    Great accent. I was in New Zealand for the first six months of the year. I'm already missing it!

  • @iKylaAwesome
    @iKylaAwesome 8 лет назад +2

    I finally got it! Thank you!

  • @PP-io7qs
    @PP-io7qs 6 лет назад +1

    Brilliantly Done! Thank You!!

  • @sashwattarenia258
    @sashwattarenia258 5 лет назад

    terrific lecture...i always found this to be ridiculously confusing but thanx to you guys for clearing the concept..

  • @kyleburr8453
    @kyleburr8453 5 лет назад +10

    I wish you could make videos for all of my classes! You make everything so clear. Thank you.

    • @DrNic
      @DrNic  5 лет назад +3

      I wish I could too! Any particular requests? ;)

  • @PrashanthG
    @PrashanthG 6 лет назад +1

    Helps in conceptual understanding. Really great. Thanks.

  • @NiaNicoleXO
    @NiaNicoleXO 7 лет назад

    Thanks so much I had an exam & I needed this so bad! God bless you :)

  • @litian6405
    @litian6405 7 лет назад +1

    The best ever explanation!

  • @rockabc1135
    @rockabc1135 7 лет назад +3

    Wonderful.. Thank u so much for creating such a beautiful content.. really appreciated...
    Thanks.

  • @cade9491
    @cade9491 8 лет назад +3

    Thank you so much, u saved my Biostatistics exam

  • @ivelinamladenova7066
    @ivelinamladenova7066 7 лет назад

    Very well explained! Thank you so much!

  • @AwesomeMan-wb5dt
    @AwesomeMan-wb5dt 5 лет назад +1

    Super clearly explained and very handy, thanks.

  • @MyteeBumbleBee
    @MyteeBumbleBee 3 года назад

    Once again you knock it out of the park, Dr. Nic! You got me! I'm subscribing!

    • @DrNic
      @DrNic  3 года назад

      Welcome aboard! Maybe consider becoming a channel member! ruclips.net/channel/UCG32MfGLit1pcqCRXyy9cAgjoin

  • @johnstuart6002
    @johnstuart6002 7 лет назад +2

    These are really well done videos!

  • @fernandoarthurmesquitagome5066
    @fernandoarthurmesquitagome5066 8 лет назад +1

    I loved the video. Very elucidative and ludic...

  • @David-ys1dt
    @David-ys1dt 5 лет назад

    thankyou! great honest easy to understand video about statistics!

  • @r4ts311
    @r4ts311 3 года назад

    Thank you SO MUCH, i can finally understand the logic behind all the gibberish in my book!! Saved my life

    • @DrNic
      @DrNic  3 года назад +1

      That is great to hear - I believe yours is not the first life I have saved in this way. ;)

  • @girishlc
    @girishlc 5 лет назад

    Thank you for the wonderful explanation.

  • @mahaprasadm9770
    @mahaprasadm9770 4 года назад

    Probably the best video on RUclips related to Confidence Interval!!!!!!!!!!

    • @DrNic
      @DrNic  4 года назад +1

      You are too kind. I actually think my earlier video, understanding confidence intervals is a little better. ;)

  • @DaniaAlnayar
    @DaniaAlnayar 7 лет назад

    this is AMAZING, thank you so much!!!!!

  • @ziashafei1820
    @ziashafei1820 5 лет назад +1

    This video is so clear and useful

  • @abhip4538
    @abhip4538 6 лет назад +2

    If learning statistics is like mission impossible then you are tom cruise...............
    hats off

    • @DrNic
      @DrNic  6 лет назад +1

      That has to be one of my favourite comments. Thank you.

    • @abhip4538
      @abhip4538 6 лет назад +4

      and u r my favorite teacher mam.......

  • @NikPnchl7
    @NikPnchl7 7 лет назад +1

    very nice thanks...The part about what it is NOT is just as useful as to what it IS

  • @WojciechowskaAnna
    @WojciechowskaAnna Год назад

    I love when math is explained in more intuitive terms, focusing more on meaning and "connecting the dots" rather than strict deriving forumula after formula (even though its also needed), well done!

    • @DrNic
      @DrNic  Год назад +1

      That is what I aim at, so it is gratifying to hear that I am succeeding.

  • @dineshkumarmurugan3281
    @dineshkumarmurugan3281 6 лет назад +1

    Thank you so much :) this saved my life

  • @saurabhdwivedi7212
    @saurabhdwivedi7212 5 лет назад

    Thank you for the explanation 🙏

  • @andyzhang6305
    @andyzhang6305 2 года назад

    You explained the formula in such a clear way, thank you for the hard work!

    • @DrNic
      @DrNic  2 года назад

      You're very welcome! Thank you for your support.

  • @andresaguilarhenriquez3291
    @andresaguilarhenriquez3291 7 лет назад +1

    Thank you so much!

  • @mikemcmorris6078
    @mikemcmorris6078 Год назад

    Epic approach to teaching, keen knowledge of learner needs, and effortless ability to teach complex concepts simply through common sense illustration. Respect for Dr. Nic!! So helpful, thank you.

    • @DrNic
      @DrNic  Год назад

      Thanks - It has taken several years of teaching this material to get to this point. Nice it seems effortless.

  • @syednusrath9631
    @syednusrath9631 8 лет назад +1

    GREAT VIDEO. REALLY HELPS TO UNDERSTAND CONCEPTS BEHIND CONFIDENCE INTERVAL. THE ENTIRE TEAM OF Statistics Learning Centre IS TO BE CONGRATULATED. WISH TO CONTINUE THEIR ENDEAVOUR IN SIMPLIFING STATISTICAL METHODOLOGY

  • @fpscppscofficialdoctor3061
    @fpscppscofficialdoctor3061 3 года назад +1

    Infinity times best lectures ❤️❤️❤️❤️

  • @TheMohit8055
    @TheMohit8055 5 лет назад +1

    my lecturer is pretty bad and most of the time teaching himself …. this video was nice .. Thanks keep updating.

  • @taisaichan9568
    @taisaichan9568 Год назад

    Thank thank thank you soooomuch Dr.Nic You really helped me

    • @DrNic
      @DrNic  Год назад

      That is good news. I like to help people

  • @qiaogao4251
    @qiaogao4251 4 года назад +1

    Thanks a lot! Your explanation is quite clear and simple. I really like the way you explain every details of the concept with examples.

    • @DrNic
      @DrNic  4 года назад

      You're very welcome! I do think really hard about these videos.

  • @shekharkaul
    @shekharkaul 7 лет назад +1

    This video is really very helpful. Thanks :)

  • @EvanLonda
    @EvanLonda 11 месяцев назад

    Thank you so much for posting this straightforward content!

    • @DrNic
      @DrNic  11 месяцев назад

      Glad it was helpful!

  • @YourDad-dh6fj
    @YourDad-dh6fj 4 года назад

    This saved me! Math has never been my strong suit, and biostatistics was killing me but this makes sense!

  • @esan120au
    @esan120au 3 года назад

    all your CI videos are wonderful. thanks a lot

    • @DrNic
      @DrNic  3 года назад

      Thanks - I really try to make them as understandable as possible.

  • @nazifataha8868
    @nazifataha8868 3 года назад

    Why didn't I come across this before? I learnt so much and got the basic idea of CI. Thank you so much

    • @DrNic
      @DrNic  3 года назад

      Glad it was helpful!

  • @hemant8592
    @hemant8592 4 года назад +1

    nice presentation very helpful for quick recall

  • @frankjacob5157
    @frankjacob5157 3 года назад

    fantastic. Clear and concise

    • @DrNic
      @DrNic  3 года назад

      Glad it was helpful!

  • @hiviamunugama
    @hiviamunugama 8 лет назад +1

    Thanks a lot. This actually helped. :D

  • @dpkchohan
    @dpkchohan 5 лет назад

    Thanks Dr Nic

  • @bharatratan8554
    @bharatratan8554 4 года назад +1

    Simply "WOW" . Thank yu very much ❤️

    • @DrNic
      @DrNic  4 года назад +1

      My pleasure 😊

  • @johnnguyen3115
    @johnnguyen3115 9 лет назад +3

    excellent!

  • @ytyt5387
    @ytyt5387 5 лет назад +1

    so helpful, Thanks

  • @zoe2354
    @zoe2354 8 лет назад +2

    Oh my God, you're the best! I wish you were my prof! Stats would have been a ton more interesting.

  • @marcangelos5921
    @marcangelos5921 2 года назад

    Thank you Dr. Nic :)

    • @DrNic
      @DrNic  2 года назад

      Most welcome!

  • @kyleferris388
    @kyleferris388 6 лет назад +1

    Bless you!

  • @ramielwan48
    @ramielwan48 3 года назад +1

    As much as this explanation was simple as much as it was complex for the creator to produce. Appreciate the well put explanation.

    • @DrNic
      @DrNic  3 года назад

      Thanks - it can be difficult to make things seem simple. My son did a great job with the editting too.

  • @fpscppscofficialdoctor3061
    @fpscppscofficialdoctor3061 3 года назад +1

    Best lectures ❤️❤️❤️❤️❤️❤️❤️❤️

  • @knowledgedirect2444
    @knowledgedirect2444 7 лет назад +1

    very easy and understandable

  • @awaisahmad5908
    @awaisahmad5908 10 месяцев назад

    Thank you so much Dr.
    You are the best teacher. I have learned alot in your demonstration.
    Now i have cleared concepts about confidence interval and point estimator, standard error of mean and t value.

    • @DrNic
      @DrNic  10 месяцев назад

      Glad to hear that

  • @LuisKing150
    @LuisKing150 9 лет назад

    wow super super clear
    thanks so much

  • @videoaks007
    @videoaks007 4 года назад +3

    Explained it in so simple and understand able way. Thanks. I wish my teachers made maths so simple and interesting. Thank you very much DR Nic

    • @DrNic
      @DrNic  4 года назад

      Glad it was helpful!

  • @greatvedas
    @greatvedas 11 месяцев назад

    Concepts so clearly explained. Thanks Dr

    • @DrNic
      @DrNic  11 месяцев назад

      You are welcome

  • @Sarpamus
    @Sarpamus 2 года назад

    very conscise and explanatory. thank you for sharing

    • @DrNic
      @DrNic  2 года назад

      You're very welcome!

  • @kunjankaim8688
    @kunjankaim8688 3 года назад

    Just AWESOME!!!!

    • @DrNic
      @DrNic  3 года назад

      Glad you like it!

  • @mohammadwahib2364
    @mohammadwahib2364 7 лет назад +1

    Thank you so much

  • @lexx8335
    @lexx8335 2 года назад

    It's ABSOLUTELY AMAZING how much I understand now thanks to this video😢❣👏

    • @DrNic
      @DrNic  2 года назад +1

      That is music to my ears

  • @harishsivaramakrishnan7096
    @harishsivaramakrishnan7096 3 года назад

    You, ma’am, are a huge time saver !

    • @DrNic
      @DrNic  3 года назад

      Glad to hear it.

    • @harishsivaramakrishnan7096
      @harishsivaramakrishnan7096 3 года назад +1

      ​@@DrNic If you can't explain it to a 6-year-old, you don't understand it yourself.
      Reminds me of this. Your videos have saved me some embarassment. lol.

  • @vladimir_rize
    @vladimir_rize 4 года назад +1

    one of the best explanation ever!

    • @DrNic
      @DrNic  4 года назад

      Glad it was helpful!

  • @ca.savanpatel8604
    @ca.savanpatel8604 3 года назад

    Best statistics teacher...Thank u so much

    • @DrNic
      @DrNic  3 года назад

      So nice of you

  • @patrickanyanga8492
    @patrickanyanga8492 9 лет назад

    very helpful. thanks

  • @dralibeshara
    @dralibeshara 7 лет назад

    Thanks a lot.. especially from 4:00 I could not get my head round the interval before