This is the day before my exam and let's just say you turned a 1hr class into 9 min! Thank You!!!
@VaporyBeat
Жыл бұрын
Day of exam💪💪
@benjaminfranklin374
Жыл бұрын
@@VaporyBeathow did it go
@RahimaLovezTwilight
8 жыл бұрын
The best video I have found regarding the Mann Whitney U test! Thank you!
@defnekolay7496
5 жыл бұрын
Once again, clear, right to the point, easy to understand, only 10 minutes. Thank you for your work!
@ruxi5503
5 жыл бұрын
Thank you so much! My exam is tomorrow and I just spent all day stressing over this and I am so glad I found this video!
@estheralca2191
4 жыл бұрын
THANK YOU SO MUCH! I literally spent five hours reading articles and statistics pages that did no more than confuse me and watching your video was so nice and relaxing for me because not only were you clear but you were able to explain it with a useful example
@rossellafenilidentista
5 жыл бұрын
I'm doing a Thesis for the Dentistry Degree in Italy and you saved me! God Bless You, man!
@georgebaiatu6256
4 жыл бұрын
My 1 hour tutorial that had no favorable outcome had been solved in 9 minutes. Thank you, great job.
@j.anderson6503
5 жыл бұрын
I'm currently writing my dissertation and this was immensely helpful - THANK YOU!
@nikooone191
2 жыл бұрын
U just turned a 2 and a half hour lesson into 9 mins and I learnt way faster thank you
@AnNa.952.
3 жыл бұрын
I don't have to perform it by hand but your explanation helped me understand what I'm "clicking" in Statistica. That was so helpful, thank you.
@benwolley70
4 жыл бұрын
I don't know why I was having so much trouble understanding this test with written direction but your video was very helpful to me. It presented the necessary info concisely and in a manner east to understand.
@julianw5692
6 ай бұрын
You're a legend. I am embarrassed to say how long I spent trying to figure this out before i watched this video. Thank you.
@soutrikkundu1810
17 күн бұрын
thanks Sir for explaining the topic in such a good manner 👍👍......it is in my MBA syllabus and I am thinking of learning in advance about this topic and after watching your video I can surely say I learned about the Mann Whitney U Test and it will be very helpful for me now to understand when college starts explaining about this topic
@Pratik_2802
5 ай бұрын
Thank you sir , this video has cleared all my doubts which my university teachers couldn't solved!
@nandyrewman3031
4 жыл бұрын
Mr. O'Loughlin, you are my hero. Thank you so much!!
@FolsAntinWebJr
7 жыл бұрын
You just saved my classes bacon on their psychology coursework, Thank you!
@jenniferbird5166
3 жыл бұрын
Thank you so much for posting these videos. I keep running into explanations with shortcuts because calculators usually do the work now, but I get stuck on the details. Wish I had you as a teacher in high school!
@cecilebesse8268
6 жыл бұрын
Thank you very much for your videos! By writing down the statistical tests it is easier to understand and you explain it very well, slowly and in a very clear way !
@521182
3 жыл бұрын
This man is out here saving lives.
@tesla5583
Жыл бұрын
Thank you so much! I'm taking an online class, and they never mentioned how to do the ranking, so I've always been really confused at how the answer was gotten.
@mohamedabdull7326
4 жыл бұрын
Thanx proffessor u save my life today bcz tomorrow I have exam but bcz of this video everything is fine now thank u so much😍
@damanpreetkaur1969
2 ай бұрын
Thanku so much! Tomorrow is my exam and your video is so helpful ❤
@mycrookedsmile
3 жыл бұрын
I'm taking Stats online and I only have my book to guide me step by step and this video helped so much! Thank you!
@notyourtypicalgirl9802
Жыл бұрын
I was confused about the last bit, thanks for clearing!
@manishtiwari3100
4 жыл бұрын
The best video on KZitem for mann Whitney u test
@darkparadise5301
Жыл бұрын
I've got an exam after 4 days and thanks your video
@samyakjain727
5 жыл бұрын
thank you so much for this. your video series is so clear and concise. you are a legend sir
@claudiucucos4797
Жыл бұрын
Watching this 1hr before exam :). Thx
@kennethpeoples6355
5 жыл бұрын
Once again, thanks for the assist : ) This was an awesome and useful video for me. I am great with the parametric statistical methods, but one of the college students that I tutor had questions about non-parametric students. Great explanation!
@akontia6
3 ай бұрын
Very simplified and well explained. Thank you
@unyimeuboho1232
4 жыл бұрын
Amazing!! I am studying for the 6-sigma black belt exams and this made me understand the Mann Whitney U test. I have subscribed as your explanations even for the Kruskal-Wallis test was equally very clear!
@wendykim5
5 жыл бұрын
Thanks God I met your video! You're an ANGEL!!!
@phantommrinalmusk3685
3 жыл бұрын
You're the best sir. Take a bow.
@KM-rb9on
3 жыл бұрын
Well done Eugene on another great video. Clear and concise as always. Please keep up the good work
@Ash-re1tv
3 жыл бұрын
Great explanation! my module provided an Excel spread sheet to do this, on which it said they expect us to also do it by hand but they didn't explained how. Thanks for the help!
@gisselleflores3368
Жыл бұрын
Thank you!!!! This video made everything sound so simple!! Saved my grade!!
@Cecilia-bp2dn
4 ай бұрын
Thank you for your very clear and helpful explanation.
@gonexgirl9372
7 жыл бұрын
Thank u for being a genuine life saver...like I can't even express how much you have just helped me THANKYOU!!!!
@imsmexyyy
2 жыл бұрын
wow, i wish my stats teacher was as good at teaching as you are
@peterpositive1710
Жыл бұрын
Excellent work sir. Understood it in a single watch.
@ivanahorvat7835
7 жыл бұрын
Great video, everything is explained simple and steb by step. Thank you!
@pantsharad
6 жыл бұрын
Great Sir, very simply you taught it, I felt like I learned it in a class.
@Kaya101039
7 жыл бұрын
This was extremely helpful! Very clear, simple, easy to understand explanation.
@sharonm1261
Жыл бұрын
this video is excellent, thanks! I have a small sample size and R couldn't deal with all the tied values, was able to do it myself in 15 mins following this.
@MichaCnk
6 жыл бұрын
Amazing video. It's essentialy one of my statistic lectures in a fraction of the time. Keep up the good work!
@siam.c.3062
3 жыл бұрын
You are amazing! Best video for exams EVER! Thank you so so much!!!
@faijano
4 жыл бұрын
Thanks a ton. Please keep making videos on stats and enlighten us through knowledge.
@lilyking3031
5 жыл бұрын
this was super helpful!! thank you for taking your time to do this im so grateful!!!
@tanyamwamuka569
7 жыл бұрын
thanks so much my exam was is today and i missed the lectures on this saved me
@paulhenning741
6 жыл бұрын
You helped me to pass my exam . Thanks a lot !
@saidakare8193
3 жыл бұрын
But I think the h stastic falls in the acceptance region when represented in a skewness how comes we're rejecting the null hypothesis
@rsp1239
6 жыл бұрын
But for a two tailed test , you are supposed to use the higher u calculated value, right??!! so is this a slight error ?
@sawomirzdziebko6287
4 жыл бұрын
Thank you for that immensely helpful video. I have a small clarification question. Let's say there are three scores that tie, does the procedure of calculating the average apply as well? That is, if you had three 2's among your scores, would each get rank 2 by (1+2+3)/3=2?
@BiancaAguglia
4 жыл бұрын
Yes. 😊
@BurnBabylon_Selecta
6 жыл бұрын
Thanks so much, you just saved my psychology group´s life!
@malashukla9292
5 жыл бұрын
Exceedingly well explained
@justinhebert5155
4 жыл бұрын
I am finding your videos very helpful! Thank you for sharing your knowledge!
@amiryaseenkhan7147
2 жыл бұрын
Beautiful, instructive example sir!
@fawlat1
4 жыл бұрын
Thank you. I understand this so much better now
@jadeelsa9081
10 ай бұрын
This was very useful. Thank you!
@dharma_donk170
7 жыл бұрын
Very concisely and clearly explained, thank you
@antoninleroy3863
4 жыл бұрын
Very clear and strait to the point thanks
@MounkJ11
2 жыл бұрын
Hi! If there are more than two similar ratings in my data, how to rank them? Thank you
@janetador9794
3 жыл бұрын
Thank you very much! It was a big help for me. You save my assignment.God bless.
@smileyourebeautiful9613
2 жыл бұрын
you’re amazing ! thank you so so much
@evanshumble4314
4 жыл бұрын
Thank You, Sir
@bhaskartripathi
7 жыл бұрын
Two questions - 1. Why did you take U statistic instead of Z for comparing calculated and critical values ? 2. U statistic is calculated with the formulae : U1 = n1n2 + n1(n1+1)/2 - Sigma R U2 = n1n2 + n2(n2+1)/2 - Sigma R your formula for U-statistic is different. I could not find that in any statistic book or internet. All of them give the listed above formula. would appreciate if you could answer that. Thanks, Bhaskar
@Dragonwog
7 жыл бұрын
Cause this just would make sense with a sample size bigger than the one in the video.
@rateme6166
6 жыл бұрын
You use the z statistic if your sample size is at least bigger than 20, in this case in the video, it is not, so he took the u statistic instead.
@mesunekonyan
6 жыл бұрын
same question. our professor used that formula so i got confused.
@tarunbirgambhir3627
5 жыл бұрын
The formula is different, but the values calculated for U1 and U2 are just exchanged. This is because the above formula just subtracts the formula used in the video from n1n2. In the end while selecting the min(U1,U2) it wouldn’t matter if the values of U1 and U2 are exchanged. But still, I wonder why change the formula anyway.
@cayanaraycaudhuri
5 жыл бұрын
Also because a z statistic assumes a normal distribution but here the data isn't.
@Drikissima91
4 ай бұрын
Thank you very much. It helped me a lot.
@mathewvl1655
6 жыл бұрын
Thanks.very easy to understand the way you taught us
@abhisekdutta702
7 жыл бұрын
You, Sir, are too the point !! Kudos!
@timwilmink8746
6 жыл бұрын
According to Wikipedia Ua+Ub should equal Na*Nb. in my data set i have 2 groups for a total of 126 responses. Na=67 Nb=59. Responses range between 0 and 10 in their value. Group A has: 17 responses of 0 ranked at 11.5 3 responses of 1 ranked at 26 4 responses of 2 ranked at 33 5 respoonses of 3 ranked at 44 6 responses of 4 ranked at 55.5 20 responses of 5 ranked at 78.5 2 responses of 6 ranked at 99 3 responses of 7 ranked at 103 2 responses of 8 ranked at 110 0 responses of 9 and 5 responses of 10 ranked at 120.5 Group B has 5 responses of 0 ranked at 11.5 4 responses of 1 ranked at 26 3 responses of 2 ranked at 33 10 responses of 3 ranked at 44 2 responses of 4 ranked at 55.5 18 responses of 5 ranked at 78.5 1 responses of 6 ranked at 99 2 responses of 7 ranked at 103 7 responses of 8 ranked at 110 0 responses of 9 and 7 responses of 10 ranked at 120.5 So I calculated my Ua and Ub and tried to check whether I did it right, However, when i add Ua and Ub i get 3985, whilst Na*Nb amounts to 3953. So i must be doing something wrong. I have no clue what. Does anyone have any clue what is going wrong?
@timwilmink8746
6 жыл бұрын
Happens almost fail-proof. You calculate something wrong, and you know it is but not why... as soon as you start panicking and flailing around until you give up and ask others for help you see your mistake...., Mine was that i calculated the U's wrong. I did Ua= Ra-((Na(Nb+1)/2) instead of Ua=Ra-((Na(Na+1)/2)..... Aaaanyway thanks a bunch for the vid, also helped me alot. Cheers from the Netherlands!
@sherikhaan5745
3 ай бұрын
Excellent...Well explained👏
@manexesendi7494
22 күн бұрын
I got an A 🥳🥳 thank you!!
@adekunlepriscilla894
2 жыл бұрын
I love it so much. Thanks so much
@funlandvidoes799
7 жыл бұрын
I love this man's voice.
@krissyamo
2 жыл бұрын
Very informative! Thank you!
@drnikita1825
5 жыл бұрын
Sir thanku for such a comprehensive vedio. Beautifully presented sir
@gargidas9743
3 жыл бұрын
Thank you so much! Made it super easy for me.
@stephenahenkorah8525
7 жыл бұрын
Hi, please can you do a video on Wilcoxon signed rank test?
@orla11000
6 жыл бұрын
Love your videos, please keep making them. I have learned loads =)
@istvanracz1622
3 жыл бұрын
Thanks, Eugene!
@ze2411
3 жыл бұрын
Thank you for this sir!
@kittycatdude
4 жыл бұрын
How delightfully easy to understand! :)
@calheron
3 жыл бұрын
super comprehensive. thanks
@JennyShin-me6dn
6 жыл бұрын
Thank you for your kind explanation. It really helpful. Thank you very much.
@michaelaj.grmelova2860
4 жыл бұрын
So grateful! Thank you!!
@user-ef3uq9qe9f
8 ай бұрын
One correction whenever your stat value is less than critical value then we accept null hypothesis and reject alternative hypothesis
@LynnMary1983
3 жыл бұрын
You are an absolute godsend xx
@kimeraevans1401
6 жыл бұрын
Thank you! You made me actually understand the test. Wow.
@vindyaedirisinghe8700
3 жыл бұрын
Thanks a lot,well explained❤
@kelsalowe1325
3 жыл бұрын
This was so helpful. Thank you!!
@ralienpp
7 жыл бұрын
The explanation was very clear, thank you for sharing it. I would like to make a suggestion - include a slightly more elaborate example that connects these numbers to the real world. In this case you mentioned that the numbers came from the results of two distinct treatments. For me it would be more helpful if that was accompanied by something like "The numbers you see correspond to the number of lesions that remained on a person's body after treatment was applied; thus we want to compare the lesion-healing effects of drug A and drug B". This would make the problem less abstract. Otherwise there is a chance that some people will be able to do the number-crunching, but struggle to come up with an answer when asked "so where can you apply this?".
@sangitadeota9181
3 жыл бұрын
Very nicely explained
@prof.keebler
2 жыл бұрын
Why is the U value being calculated differently in this example? The original paper by Mann-Whitney 1947 uses a different formula. You are also not the only professor I have seen using a different formula.
@mariyajacob4107
4 жыл бұрын
Really it is helpful thank u so much for this video
@rogerahern
6 жыл бұрын
Fantastic video. Thank you Eugene
@revolution77N
5 жыл бұрын
thank you great lecture!
@spinderkour2727
6 жыл бұрын
Thank u very much . I have no words to express today what u teach me about this question atlast thank you soooo much. th
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