What Is P Value In Statistics In Simple Language?

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Krish Naik

Krish Naik

3 жыл бұрын

In statistics, the p-value is the probability of obtaining results at least as extreme as the observed results of a statistical hypothesis test, assuming that the null hypothesis is correct
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Пікірлер: 138
@krishnaik06
@krishnaik06 3 жыл бұрын
Guys at 3:34 just a small update The p-value is not interpreted as a probability that the null hypothesis is true. It is the probability of observing a value of the test statistic that is as or more extreme than what was observed in the sample, assuming the null hypothesis is true. Dont Forget to subscribe my vlogging channel to see more motivational videos. Happy Learning!! kzbin.info/www/bejne/fmqnk2p3ecuWjqs
@debarunkumer2019
@debarunkumer2019 3 жыл бұрын
Sir can you please make a tutorial on the application of fastai framework ?
@ayushmanmisra1768
@ayushmanmisra1768 2 жыл бұрын
can you please explain what is then the difference b/w level of significance(alpha) & p-value
@rajdama205
@rajdama205 Жыл бұрын
Also one more update, p-value isn't significance value. We calculate significance value based on observations and then compare it with p-value to decide if Null Hypothesis is accepted or rejected.
@rishirajsutar6571
@rishirajsutar6571 7 ай бұрын
you need to delete this entire video rather than just correcting yourself in the comment section. A student who is new in this domain can easily get misguided.
@bestofbest258
@bestofbest258 Жыл бұрын
Understanding p-value took so much time since other posts and videos don't involve animation of distributions in their explanations. I will say this is the greatest explanation one can ask for. Thank you so much, Krish!
@somjitdas6034
@somjitdas6034 2 жыл бұрын
Finally, the concept of p-value, null hypothesis are cleared. Thanks, Krish, your videos on DS and ML seem so fulfilling and refreshing , compared to the tedious DS+ML courses. Thanks a million, you are an amazing teacher!
@imteyazahmad9616
@imteyazahmad9616 3 жыл бұрын
Thanks for making this video. Pvalue is one of the most important part in Data Science.
@dadakhalandar5820
@dadakhalandar5820 3 жыл бұрын
Such a clear explanation about P-Value I have ever seen ☺ Thanks sir
@vivekjoshi3769
@vivekjoshi3769 3 жыл бұрын
Hey Krish please make 10 mins videos like this more on short topics. They are helpful for beginner in statistics like me. Thanks & appreciate time you spent on great content.
@kylesnodgrass1
@kylesnodgrass1 Жыл бұрын
Finally a video that explained what is happening. I managed to work out a definition from summarising your video.... thank you. 95% of all results will be average. However, 5% or less would be classified as extraordinary. Therefore, if your experiment gave results which are 5% or less than likely to occur on average, the independent variable you have manipulated is significant, because it changed the results from average to extraordinary.
@anandlearningacademy9022
@anandlearningacademy9022 3 жыл бұрын
I especially loved that keyboard example...It's a kind of refreshment of concepts after watching your videos...
@fksons4161
@fksons4161 2 жыл бұрын
It got me cracking. All the people who have taught me never explained this concept as clear as he did. Wonderful teacher
@rachitsingh4913
@rachitsingh4913 2 жыл бұрын
Most clear explanation on p-values and hypothesis.
@christophersujoy8470
@christophersujoy8470 Жыл бұрын
Sir you made this topic much more simpler and easily understandable.🙏🏻🙏🏻🙏🏻
@shakibaamirshahi8721
@shakibaamirshahi8721 2 ай бұрын
The best explanation that I have ever seen for the P-value. Thanks for your useful video!
@dollysiharath4205
@dollysiharath4205 Жыл бұрын
You're an excellent instructor. Thank you for teaching.
@hkiki1
@hkiki1 2 жыл бұрын
Simple and easy to understand! I finally got what the pvalue is
@dstan16224
@dstan16224 Жыл бұрын
Thank you very much for this explanation! The graphical representation made it finally easy to understand it.
@rifatulislamhimel6545
@rifatulislamhimel6545 2 жыл бұрын
Super clear explanation. Thanks for making such a lecture.
@thudimillasaiprasad3983
@thudimillasaiprasad3983 3 жыл бұрын
Excellent Krish I had filnally clear my self.
@kajolbrahma1026
@kajolbrahma1026 2 ай бұрын
Thank you so much sir . After watching this video I got clear about " P value " concept and really this is the best video I ever watched. You demonstrated it well sir .
@manjunathareddy359
@manjunathareddy359 3 жыл бұрын
hey krish, when I was testing my object detection model, It was giving all classes which I have mentioned in labelmap, what if I want to display or draw bounding boxes for the required classes among all the classes.
@bphanikrishna1
@bphanikrishna1 2 жыл бұрын
Nice explanation. When you have time please explain how to combine multiple p-values from independent tests. That is combining p-values into a single test of a common Hypothesis. Thank you in advance.
@niranjannazarkar555
@niranjannazarkar555 3 жыл бұрын
Excellent way of Explanation
@user-cc2rt9by2r
@user-cc2rt9by2r 8 ай бұрын
The absolute best explanation I have ever heard!!
@Raja-tt4ll
@Raja-tt4ll 2 жыл бұрын
Very beautifully explained the concept. Thanks for your effort Krish.
@gauravs3605
@gauravs3605 3 жыл бұрын
it is really detailed and simple to understand...Thanks Krish
@kiran082
@kiran082 2 жыл бұрын
Such an awsome video with very good examples.Thanks a lot for all your efforts for creating such an amazing video
@earlnoli
@earlnoli 2 жыл бұрын
my god I have heard the pvalue explanation a lot but yours is the best. I keep on forgetting it because i truly did not understood it and only memorized (then forget the definition). Your ada boost explanation made me subscribe few days back... you are just too good man. Where were you when I took my masters?? 😂
@bryanstark324
@bryanstark324 2 жыл бұрын
Thanks Krish, I signed up for your analytics course and looking forward to it!
@auslei
@auslei 2 жыл бұрын
applaud, for someone write so well with mouse, besides the good content.
@arpanapathak6978
@arpanapathak6978 11 ай бұрын
Thanks for this video. Fairly easy to understand and very relevant analogy.
@satadrubera
@satadrubera 2 жыл бұрын
StatQuest and KrishNaik these two youtube channel just damn good for learning statistics.
@sangeethachandru7903
@sangeethachandru7903 3 жыл бұрын
Excellent teaching sir. I really understood.,.
@nithyapalanisamy4904
@nithyapalanisamy4904 2 жыл бұрын
Nice explanation clearly understood and we expect more practical examples
@subhranshusahani547
@subhranshusahani547 Жыл бұрын
Great Video...Very Clear Sir. Thank You
@priyakashyap5716
@priyakashyap5716 2 жыл бұрын
Best ever explanatory video I've seen
@biggboss5194
@biggboss5194 3 жыл бұрын
Excellent explanation
@arlinkinpark6769
@arlinkinpark6769 3 ай бұрын
I am a doctor...and i bet very few medico knows about p value concept like you explained..we also need p value in biostats
@user-ss2ih7hh4q
@user-ss2ih7hh4q 4 ай бұрын
Thank you brother.Excellent explanation ,writing doesn’t matter
@medsisrinivas9468
@medsisrinivas9468 3 жыл бұрын
Hey Krish, could you please explain how to interpret Logistic regression coefficients in the budiness terms. Linear regression coefficients is pretty clear to interpret but logistic regression log odds has bit hardtime to understand. It would be really helpful if you explain this.
@baljitsingh-ch9jo
@baljitsingh-ch9jo Жыл бұрын
thanx.....in simple way u explained everything
@KhalidFarooq786
@KhalidFarooq786 2 жыл бұрын
super presentation . full marks . excellent
@sumantbachewar4628
@sumantbachewar4628 2 жыл бұрын
Simply you are the best sir!
@deekshashetty4611
@deekshashetty4611 10 ай бұрын
Thank you for the good explanation
@drpkgupta4469
@drpkgupta4469 Жыл бұрын
Thank u so much sir .very nice explanation sir .
@maimoonasayeed5112
@maimoonasayeed5112 2 жыл бұрын
Very well explained. Thank you
@karthickk6587
@karthickk6587 3 жыл бұрын
Thanks for making me understood the p value
@Burak-cr6um
@Burak-cr6um 2 жыл бұрын
Thank you! it was very helpful.
@VijayasarathyMuthu
@VijayasarathyMuthu 3 жыл бұрын
Ha ha.. Thanks. All along I thought fair coin simply means a coin which has a head and tail. I mean not a dummy coin like heads or tails on both sides 🙈
@sambeetpanda86
@sambeetpanda86 2 жыл бұрын
Simply excellent concepts..
@kaushikreddy6419
@kaushikreddy6419 3 жыл бұрын
The above fair coin according to null hypothesis we should perform one-tail test.
@oliullah.mahmud
@oliullah.mahmud 2 жыл бұрын
Excellent teaching sir.
@charmaine7301
@charmaine7301 2 жыл бұрын
Awesome explanation…you got a subscriber sir🤙
@Mee12394
@Mee12394 6 ай бұрын
Finally understood p value 2 months before neetpg
@tirupatimangalpelli5345
@tirupatimangalpelli5345 5 ай бұрын
u really explained in simple way
@manojbanoth5942
@manojbanoth5942 3 жыл бұрын
We most of the time take 95% region of bell curve for not rejecting the null hypothesis, because of it is nearer to two standard deviations or anything else?
@preetisri7297
@preetisri7297 3 жыл бұрын
Good one
@mustanganiruddh2745
@mustanganiruddh2745 Жыл бұрын
OH god that was so easy ? thank you bhai
@Dr._NextDoor
@Dr._NextDoor 7 ай бұрын
Thank Youuuu! 🥲💙
@Simran_Warraich_
@Simran_Warraich_ Жыл бұрын
awesome explanation
@biswajeetparija1972
@biswajeetparija1972 2 жыл бұрын
Very good explanation.
@user-tw7yu7wy6u
@user-tw7yu7wy6u 6 ай бұрын
Krish ji, Understood the concepts, but not able to connect this example to the thing that we do hypothesis testing in sample to understand population behaviour.... pls someone clarify
@nirmalyabakshi2290
@nirmalyabakshi2290 3 жыл бұрын
Very good explanation
@benardkiplimo3508
@benardkiplimo3508 6 ай бұрын
Thank you!
@Isaac-kq3ec
@Isaac-kq3ec 3 жыл бұрын
Bro for ML+DL will you teach from basics Because I did my master's in geology is there any chance of getting into IT industry
@mecidelhasan9398
@mecidelhasan9398 8 ай бұрын
in one word ,amazing
@chillvibes1896
@chillvibes1896 Жыл бұрын
Well explained
@girishmahamuni1830
@girishmahamuni1830 3 жыл бұрын
Thank you
@abdoulazizdabo9064
@abdoulazizdabo9064 Жыл бұрын
Best explanation
@mdmahmudulhasanmiddya9632
@mdmahmudulhasanmiddya9632 2 жыл бұрын
Great explain sir
@aamirwazir2362
@aamirwazir2362 2 жыл бұрын
Thanks Sir🙋🏻‍♂️👍🏻
@ravidhandhukiya2291
@ravidhandhukiya2291 2 жыл бұрын
Nice explanation.
@shreshthsharma2001
@shreshthsharma2001 Жыл бұрын
The Coin in Sholay movie,, had p value less than 0.05 ,,and rejected the the null hypothesis,,, and rest is history
@ayushimittalmail
@ayushimittalmail 2 жыл бұрын
Very nice video boss 😊
@sandhyaranisahoo933
@sandhyaranisahoo933 11 ай бұрын
Nice video Sir
@louerleseigneur4532
@louerleseigneur4532 3 жыл бұрын
Thanks Krish
@Amansingh-tr1cf
@Amansingh-tr1cf 3 жыл бұрын
Awesome
@nikitasinha8181
@nikitasinha8181 Жыл бұрын
Thank you sir
@MirGlobalAcademy
@MirGlobalAcademy Жыл бұрын
Nice
@JaydeepSinghTindori
@JaydeepSinghTindori 3 жыл бұрын
P is not significant leve. It should be like alpha. P is the estimated probability for that 5% at given samples number.
@achintsingh4552
@achintsingh4552 2 жыл бұрын
Thank You!
@mdmahmudulhasanmiddya9632
@mdmahmudulhasanmiddya9632 2 жыл бұрын
Good explain sir
@minakshiboruahnitmz
@minakshiboruahnitmz 5 ай бұрын
H0 means fair coin but the p is probabilty of head difference in the defn.
@kaustubhrege969
@kaustubhrege969 2 жыл бұрын
Thank you sir.
@manikantareddy1830
@manikantareddy1830 Жыл бұрын
Sir, can you please explain this “if the CI for the mean difference contains 0 within the interval -- i.e., if the lower boundary of the CI is a negative number and the upper boundary of the CI is a positive number -- the results are not significant at the chosen significance level” Thank you
@sanjaisrao484
@sanjaisrao484 Жыл бұрын
Thanks
@srinivasg6622
@srinivasg6622 2 жыл бұрын
It would be better if you could explain us with the same keyboard example and ofcourse it's easy.
@nandinimishra3632
@nandinimishra3632 4 ай бұрын
Please make a video on the Mann Kendall test...
@funtuber9155
@funtuber9155 Жыл бұрын
Thank you so much, but just to share I slept like 8 times and each time i rewinded from 7:10
@mohanb655
@mohanb655 3 жыл бұрын
If P = 0.02 ( or 2%) , does that mean null hypothesis is true by 0.98 ( or 98%) ? and we have to accept null hypothesis ? Please guide / help. For example the relationship between alcohol consumption and marks scored.
@bhatkti_aatma
@bhatkti_aatma 3 жыл бұрын
Can I get an admission in bsc data science after 12th commerce in St Xavier's College Mumbai and I've mathmatics in optional subject ??? please please please please please please please please please please please please please please please please tell me...
@abde1581
@abde1581 3 жыл бұрын
Please make video on ANOVA
@mahajanravish
@mahajanravish 3 жыл бұрын
Do all data sets follows bell shape curved? If not how we will use t test and all that? By the way, very nice videos.😊
@vijaysolanki21996
@vijaysolanki21996 2 жыл бұрын
Nice performance sir
@paragzade3408
@paragzade3408 3 жыл бұрын
Wish you had chosen a continuous variable rather than a categorical one!
@shortentertainingclips3119
@shortentertainingclips3119 2 жыл бұрын
thankx
@AmandeepSingh-yo1it
@AmandeepSingh-yo1it Жыл бұрын
2:47 in the term of frequentist approach
@hellomacha4388
@hellomacha4388 3 жыл бұрын
Hello sir can you please explain weak law of large numbers and strong law of large numbers
@keerthansimhachowdary9804
@keerthansimhachowdary9804 5 ай бұрын
I'm confused like why you performed 2 times, i.e. 60,67. I understood that 67 lies in tail region, but before why 60 was taken?.Anyone, please explain
@abhaygupta7931
@abhaygupta7931 2 жыл бұрын
How you have plotted the categorical data (head or tail) on a pdf
@prasadcaher
@prasadcaher 3 жыл бұрын
👍
@swapnilsarangkar6888
@swapnilsarangkar6888 2 жыл бұрын
hi sir can you please make video on meta-analysis ?
@Arslanqadri
@Arslanqadri 2 жыл бұрын
Incorrect definition of p value. It is not the probability of null to be true. It is the probability of finding an extreme point if null is true.
@thelife1919
@thelife1919 Жыл бұрын
Yes, it is not correct.
@Karthik-wj5rs
@Karthik-wj5rs 11 ай бұрын
See pinned comment bro
@sherwinantony3512
@sherwinantony3512 6 ай бұрын
(Doubt) Probability of finding extreme point where ?
@AjitKumar-vm8xr
@AjitKumar-vm8xr 5 ай бұрын
Not extreme point but getting same result of sample again and again if null hypois true
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