AS Statistics in 30 minutes

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  • čas přidán 27. 07. 2024
  • Quick revision for your AS Statistics exam. Put together with Edexcel in mind but OCR and AQA are similar. Covers: sampling, correlation, probability with Venn diagrams, tree diagrams and conditional probability, discrete distributions, binomial distribution and hypothesis testing. Uses Casio ClassWiz calculator to work out probabilities for the binomial distribution problems.

Komentáře • 111

  • @yellownoiseclub
    @yellownoiseclub Před 3 lety +488

    my exam is in 30mins

  • @deborahstebbings1448
    @deborahstebbings1448 Před rokem +19

    You've done more than my maths teacher has done all year! Much clearer, shorter and explained better!

  • @whomerdoodles
    @whomerdoodles Před 3 lety +96

    This is great, 1 year worth of knowledge, in 30 min.
    Very helpful!

  • @antoniahiggins1757
    @antoniahiggins1757 Před 3 lety +93

    its 00:30 and my exam is at 8:30 big love for this guy

    • @SoundLoungeBeats1
      @SoundLoungeBeats1 Před 2 lety +1

      Exact same situation wtf

    • @kritveerjaggi7232
      @kritveerjaggi7232 Před 2 lety

      @@SoundLoungeBeats1 Same here as well wth

    • @SoundLoungeBeats1
      @SoundLoungeBeats1 Před 2 lety +7

      @@kritveerjaggi7232 this video secured me a 60% on stats with no knowledge the day before

    • @kritveerjaggi7232
      @kritveerjaggi7232 Před 2 lety +5

      @@SoundLoungeBeats1 got my year 12 as paper tomorrow morning for predicted grades 😬. Wish me luck

    • @clowd1e449
      @clowd1e449 Před 2 lety +1

      @@kritveerjaggi7232 did u do the paper from pearson edexcel?

  • @samuelhawksworth1923
    @samuelhawksworth1923 Před 2 lety +30

    What a beautifully brilliant and clear video, I needed a brief overview of this topic as a first year UG student, Thank you

  • @toomanyspoons3770
    @toomanyspoons3770 Před rokem +7

    pro tip: if you watch at 2x speed it's in only 15 minutes, work smarter not harder people

  • @jakebrown5967
    @jakebrown5967 Před 4 lety +16

    Been waiting for you to remaster it thanks a lot

  • @mcturkey07
    @mcturkey07 Před měsícem +1

    this man cooked so hard saving my mocks

  • @samihaamin1778
    @samihaamin1778 Před 3 lety +16

    This was really helpful thank you so much !!

  • @kevronace2575
    @kevronace2575 Před 2 lety +9

    I got an A in AS because of this video, Thank you!!!!!!!

    • @tonydebling
      @tonydebling  Před 2 lety +4

      Cool!

    • @AB-mb8uy
      @AB-mb8uy Před 2 lety +4

      Did you use just this video? Please my exam is in 2 days and I'm freaking out 😭

  • @SerendipitousProvidence
    @SerendipitousProvidence Před rokem +2

    Superb work!

  • @alamariyan3826
    @alamariyan3826 Před 3 lety +11

    Thanks got my as exam today :(, good to catch up since I didn't know anything in lockdown

  • @baderaqw
    @baderaqw Před 4 lety +19

    What a beast

  • @emmigrace1443
    @emmigrace1443 Před 3 lety +31

    my exam is in two hours :D you’re saving my grade right now

  • @crumble1251
    @crumble1251 Před 4 lety +5

    So helpful, thanks

  • @farhaanahmed8924
    @farhaanahmed8924 Před 3 lety +21

    At 5:30 , 4b, the Variance is actually 10.06 to 2dp (the Standard deviation is still correct, I'm just saying)

  • @aestheticgirl7671
    @aestheticgirl7671 Před rokem +3

    I hate statistics and have been skipping classes.. but this helps a lot

  • @thereallegitimatemontblanc

    thank you, best stats revision video ive ever watched

    • @tonydebling
      @tonydebling  Před 2 lety +2

      Thank you, did you check out the Large Data Set video?

    • @thereallegitimatemontblanc
      @thereallegitimatemontblanc Před 2 lety +1

      @@tonydebling i would have if i had the time, but i felt that it would be better to watch the mechanics video as my exam is coming up in around an hour from now

  • @Rachel-kr1jh
    @Rachel-kr1jh Před 3 lety +3

    thank you so much

  • @willellis7890
    @willellis7890 Před 3 lety +5

    Big up Tony Debling saving my ass rn

  • @kataraarts3027
    @kataraarts3027 Před rokem

    Thank u so much. This helped

  • @DopeAK7
    @DopeAK7 Před 3 lety +3

    love this

  • @tonydebling
    @tonydebling  Před rokem +1

    Thank you

  • @missy2375
    @missy2375 Před 2 lety +3

    The video really helps! But I did have to listen to it on 1.5x lol

  • @martincox6927
    @martincox6927 Před 2 lety +6

    Small error at 16:21 (Probability Ex.2) - Supplier B supplies 30% so P(B) should be 0.3 not 0.03. The inequality still works. Another way to answer Q 2(b) might be "The suppliers differ in their fault-rates, therefore as soon as supplier B is selected, that has an impact on the probability of a faulty component". This reasoning is then borne out by the calculation... but putting it this way round emphasises what is going on rather than merely applying a formula.

  • @blessos
    @blessos Před 2 lety +1

    Hi, thanks for the vid.
    Where did you download your Cassio Classwiz emulator?
    Cheers.

  • @tyrionpapersdotcom
    @tyrionpapersdotcom Před rokem +2

    This is far better a teaching than my schools

  • @cyborgin2347
    @cyborgin2347 Před 10 měsíci +2

    legend

  • @awda1st94
    @awda1st94 Před 2 lety +1

    thanks pal

  • @kavinaa9398
    @kavinaa9398 Před 2 lety +2

    i got my a level mock exam in 1 month and part of our paper is one statistic which is pain.coz I don't remember anything

  • @unknownzzz9089
    @unknownzzz9089 Před 3 lety +11

    Error in 7:56 should be 26.71

    • @tonydebling
      @tonydebling  Před 3 lety +3

      Indeed it is! Must practise using my calculator!

  • @rosevolver4439
    @rosevolver4439 Před 2 lety +1

    for 20:21 how do u find the value of p(s

    • @tonydebling
      @tonydebling  Před 2 lety +1

      Would definitely advise you to get a ClassWiz calculator. For many binomial distributions you could use the tables in the formula booklet. However these only cover certain values for n
      the number of trials and certain values for p (probability of success). In this case n = 60 and the tables don't help. You can also work out P(s = k) using 60Ck (0.35)^k(0.65)^(60-k) for any k. So with an "ordinary" calculator you could in theory work out P(s=0)+P9s=1)+P(s=2)+...+P(s=30), but you'd be kept busy for a long time!!!

  • @SaadKhan-xq7qy
    @SaadKhan-xq7qy Před 3 lety +5

    theres an error at the 24:23 , should be 0.05995 (5dp)

    • @tonydebling
      @tonydebling  Před 3 lety +7

      Well spotted Saad! It gets fixed very soon after in the video, I didn’t manage to edit out the error. Sorry about that.

  • @tobert6609
    @tobert6609 Před 2 lety +3

    At 6:00 shouldn't the median position be 1/2(120+1) so its the 60.5th place?

  • @raihanulhasanroan453
    @raihanulhasanroan453 Před 2 lety +1

    Does this revision also focus on the international AS specification?

    • @tonydebling
      @tonydebling  Před 2 lety +1

      There's a big overlap. However topics like Poisson distribution in stats and collisions in Mechanics aren't covered. For mechanics also see czcams.com/video/vZKiK7lg4YY/video.html

  • @judetaylor5
    @judetaylor5 Před 4 lety +10

    God

  • @ashleyduggan7404
    @ashleyduggan7404 Před rokem +1

    u saved me TY

  • @cmw9406
    @cmw9406 Před rokem

    at 28:05 why didn’t you just work it out as y>/16, why do 1-y

  • @criskerr8106
    @criskerr8106 Před rokem +1

    cheers

  • @arvindmahil5096
    @arvindmahil5096 Před měsícem +1

    my exam is in 2hrs😮

  • @zubairs192
    @zubairs192 Před rokem +3

    im stressed

  • @blqrr1944
    @blqrr1944 Před 3 lety +1

    At 20:00 shouldn’t it be 1-P(s greater or equal to 29) ??

    • @blqrr1944
      @blqrr1944 Před 3 lety

      Smaller than***

    • @tonydebling
      @tonydebling  Před 3 lety +1

      No. X is DISCRETE so for S to be greater than 30 it must be 31 or more.

  • @keiko433
    @keiko433 Před rokem +1

    I have my math exam tomorrow and I am too lazy to go through the textbook 😭

  • @orbitalviewer
    @orbitalviewer Před rokem +1

    Exam is tomorrow boys

  • @chillergaming9814
    @chillergaming9814 Před 2 lety +1

    As exam in an hour

  • @1xmusty
    @1xmusty Před 2 lety +3

    I’ve got my a levels statistics in 32 mins

    • @tonydebling
      @tonydebling  Před 2 lety +4

      Good luck!

    • @1xmusty
      @1xmusty Před 2 lety +1

      thank you. Mr.Tony I was wondering though if there could be videos that narrow down the topics of statistics for example linear interpolation and standard deviation. That would really help.

  • @farhaanahmed8924
    @farhaanahmed8924 Před 3 lety +4

    Merci Monsieur

  • @amnazar9348
    @amnazar9348 Před 3 lety +3

    can this be used by international students too?

  • @zubairs192
    @zubairs192 Před rokem +2

    help

  • @ama6575
    @ama6575 Před rokem +1

    My exam is in 7 minutes

  • @mo.sharif1
    @mo.sharif1 Před rokem +1

    Will this make me pass tomorrow’s exam?

  • @shockedchrispcats33
    @shockedchrispcats33 Před 6 měsíci +3

    My god stats is so damn boring probably the worst part of Maths

    • @tonydebling
      @tonydebling  Před 6 měsíci +4

      Sadly it's the bit you'd be most likely to use in your working life 😂

  • @alexandratuta6087
    @alexandratuta6087 Před 2 měsíci

    You're not even teaching you're just going through exam questions ridiculously fast this is not a revision video it's just a waste of my time. 😡

  • @oscarward8478
    @oscarward8478 Před 3 lety +4

    Can you look at getting a better microphone

    • @tonydebling
      @tonydebling  Před 3 lety +7

      I have made various improvements to the audio on my later videos. I bought an expensive Rode microphone but this had too much room echo, now I have bought a high end PC and the built-in microphone seems to do a good job. Listen to one of the mechanics revision questions and let me know what you think?

    • @oscarward8478
      @oscarward8478 Před 3 lety +7

      @@tonydebling the new audio is much better thank you it helps me to focus perfect

    • @oscarward8478
      @oscarward8478 Před 3 lety +1

      @@tonydebling could you possibly re record this if you have time with your new Microphone

    • @Rahul-ef2ou
      @Rahul-ef2ou Před 3 lety +17

      @@oscarward8478 stfu and be grateful for all hes done

    • @JK-vm7yo
      @JK-vm7yo Před 2 lety +29

      @@oscarward8478 No get a grip Oscar