I think you are the best out here in statistics... 2 days ago , Hypothesis and all were spanish to me but now my classmates are clearing their doubts from me... thanks a lot sir....
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Understood the concept 😊👍 Sir can u refer me a book in which questions including answers related to these concepts are there for practice ... Thankyou sir 😊
Sir mujhe first question mein ye samjh nahi aaya ki aapne los (alpha) ko half kyu kiya...hume kaise pta chala ki ye two tail value hai ya nahi aur last mein answer aaya tab sigma 1=sigma 2 hi toh aaya iska mtlb vo twotail value nahi hai....kab alpha ko half karna hai kab nahi samjh nahi aaya please explain kijiye please reply sir 🙏🙏
Sir, when we have to apply this f-test. In 2nd vedio of F-test you said we have apply this test when 3 or more sample are given and right now you apply the same for 2 sample also... so this thing are confusing .pls clear when we apply this exactly this.
See video 2 there are two objective you are telling about 2nd objective, see also first objective. Apply F test 1. When you want to compare two population variance. 2. To compare mean of more than 2 samples.
Sir X² variables ki jgh Y variable bhi ho skta h kya or uske according S² ka formula bhi x ki jgh y value put ho skta h kya mtlb X² ki jgh Y name ho skta h kya
Because when our alternative is two sided, rejection region lies on both sides of tail. See below video of Hypothesis testing for more strong Concept. ua-cam.com/video/xgxKFmBBj3U/v-deo.html
Sir one simple doubt in previous videos you were using one tail test, now you are using two tail test, will it be mentioned, or we should assume it please clarify, I know the video is uploaded long back, but however if u can answer it will be helpfull thnx
Check your concpet Null Hypothesis is Hypothesis of no difference so we assume that variance are same ( I.e. NO difference) in Null Hypothesis. Hope this will helpful.
Sir kindly help me I'm in very difficult situation.... One question came in SET Exam i will write it here What is the nature of F test? A. Essentially a two-tailed test B. Essentially a one-tailed test C. One-tailed or two-tailed test depending on the hypothesis to be tested D. Not a one-tailed test According to me the answer must be C.i.e. depending on the test, But according to answer key it is B. Sir if the answer C then I can challenge this question. Kindly refer me some authentic source to verify this that I can send them as evidence. Sir I will be very grateful to u.kindly reply.
sir ji plzz N1,n2,y1,X1 Bta dijiye An IT company wants to appoint an effective trainer to improve the performance of their engineers for group of 7 8 10 and 11 engineers from total 36 engineers were given five day training by the four trainers square awarded to the engineers at the end of the training of their skills letters examine the performance of one engineer of one trainer over the year 3 trainers
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Watched all your videos of Hypothesis testing. They are the best on youtube.
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Right
I think you are the best out here in statistics... 2 days ago , Hypothesis and all were spanish to me but now my classmates are clearing their doubts from me... thanks a lot sir....
That's great 👍
Keep watching and sharing 😊
Checked several video and ended up finding yours, the way you expound is perfect, thank ya sir :)
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STUDENT T DISTRIBUTION AND TEST: ua-cam.com/play/PLRNL7AjA6rjx40R-Y-hIEVawQXxbeUgiD.html
Best explanation for Hypothesis Testing on youtube !!🔥
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Like for gourav sir...
Very well explained 👌
Really helpful
Thank u
Excellently explained Sir, loved this video
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Loving 🥰😍 ur videos
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This is very helpful sir 👍👍👍👍
Understandable 👍
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Sir your classes are better than college. tysm ,🙏🏽❤️
Thank you
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Very clear and explained
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Excellent explanation, thank you
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Your videos are really helpful ^_^
Thanks alot sir!
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Really glad to hear u
Thank you very much sir for sharing this great information....🙏🙏🙏
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Well explained 🔥
Thankyou sir for this video🙏🙏🙏
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Good work
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very helpful . thankyou so much sir
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Understood the concept 😊👍
Sir can u refer me a book in which questions including answers related to these concepts are there for practice ...
Thankyou sir 😊
ua-cam.com/video/wCDJ_1AjHbA/v-deo.html one Sample t test
Statistical Methods vol2 by NG Das
Q
you are helping me alot
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very helpful😊
Amazing! Thank you.
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I think , in the last ques, for sd you r using capital (S) but it should be small (s) , so the ans should be 2.1333.
Thank u very much sir, I was very confused before watching your videos. But now my all doubts are cleared.🙏🙏🙏🙏🙏🙏🙏
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Thank you so much sir,, I was in doubt about last question, thanks
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Where is table link
very good explanation sir
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@@GouravManjrekar sure Sir
Hello sir aap video dslr se record krte ho kya mobile se😊
Thank you so much sir 🙏
Most welcome
Thank u so much sir ji 👍👍
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Sir mujhe first question mein ye samjh nahi aaya ki aapne los (alpha) ko half kyu kiya...hume kaise pta chala ki ye two tail value hai ya nahi aur last mein answer aaya tab sigma 1=sigma 2 hi toh aaya iska mtlb vo twotail value nahi hai....kab alpha ko half karna hai kab nahi samjh nahi aaya please explain kijiye please reply sir 🙏🙏
Thank-you so much sir....
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Thank you so much sir ji🙏🙏
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sir for right tailed in the last example, don't we use '1-alpha' ?
Thankyou 🌷
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Sir, when we have to apply this f-test. In 2nd vedio of F-test you said we have apply this test when 3 or more sample are given and right now you apply the same for 2 sample also... so this thing are confusing .pls clear when we apply this exactly this.
See video 2 there are two objective you are telling about 2nd objective, see also first objective.
Apply F test 1. When you want to compare two population variance.
2. To compare mean of more than 2 samples.
@@GouravManjrekar okey clear now.😊 Thankyou sir
11:23
Sir X² variables ki jgh Y variable bhi ho skta h kya or uske according S² ka formula bhi x ki jgh y value put ho skta h kya mtlb X² ki jgh Y name ho skta h kya
thankyou sir
simulation k video bhi dal dete , kal mera exam hai
thanks so much sir
Most welcome
Sir iss type ke questions mai kab kon sa distribution test(chi square, t ,F ,Z test) apply karna hota hai kaise pata chalega
Sir, whe we divide 5% by 2. Many videos show that we have to use 5% level not 5/2.
Because when our alternative is two sided, rejection region lies on both sides of tail.
See below video of Hypothesis testing for more strong Concept.
ua-cam.com/video/xgxKFmBBj3U/v-deo.html
Hey Chiranjeev pls help me LOS - 0.05 knha se lia h?
When to use one tail &when I should do two tailed test sir?
How to differentiate between t test and f test like question for both the tests will be same so how come v will be knowing which to apply when
if they ask for check they have same variance or not then f test or we go for t test
sir what if value of significance is not given in question
Default 5% los is taken
Sir one simple doubt in previous videos you were using one tail test, now you are using two tail test, will it be mentioned, or we should assume it please clarify, I know the video is uploaded long back, but however if u can answer it will be helpfull thnx
bro pta chala tho batadena plz
can u plz explain, why we took out sq. of S.D in the last question?
the best
Thank you sir
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At q3 why variance is not divided by df?
Null hypothesis ka statement both population variance are not equal hga ...and alternate mein equal hga
Check your concpet
Null Hypothesis is Hypothesis of no difference so we assume that variance are same ( I.e. NO difference) in Null Hypothesis.
Hope this will helpful.
sir one tail lena hai two tail ye kaise pta chalega?
Just to correct one again on Two tailed behaviour of F test what you have taken is assuming symmetrical distribution
Sir 5 group ke liye null hypothesis test kaise krenge
See below playlist
ANOVA | ANALYSIS OF VARIANCE: ua-cam.com/play/PLRNL7AjA6rjzENK5e6_11-NlxnsCbC-RB.html
Sir please table ka link dy dijiye,table value dakhny k lia
How to identify on which question ftest should be applied
please watch first video of F test playlist on our channel.
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Please tell where We can get tables of LOS (0.05 and 0.025)
Search in google
@@techhackz2897 exam lo alaa bro appudu
@@hemanthsai in jntuh we can print tables n take to exam.
Ask ur senior's
@@techhackz2897 this is new subject for our batch. So my seniors don't know about this bro
second video show nhi ho rha????
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Don't know why 480 video quality option is not coming
It's coming please check again
link for table?
Exam Ke Ekk Din Pahle Dekhne Vale Like Kare
Sir jo Ist qtn tha usme f test last m table smj ni aya😢0.05 khn se aya
Two tailed test ? Can anyone please
Plz use mic while teaching
Old video
See new video with mic ua-cam.com/video/AbVC7MarBpY/v-deo.html
Sir kindly help me I'm in very difficult situation....
One question came in SET Exam i will write it here
What is the nature of F test?
A. Essentially a two-tailed test
B. Essentially a one-tailed test
C. One-tailed or two-tailed test depending on the hypothesis to be tested
D. Not a one-tailed test
According to me the answer must be C.i.e. depending on the test, But according to answer key it is B.
Sir if the answer C then I can challenge this question.
Kindly refer me some authentic source to verify this that I can send them as evidence.
Sir I will be very grateful to u.kindly reply.
See below video you get answer ...
ua-cam.com/video/N_MqlW8qJvY/v-deo.html
It is right tailed
kha hai link table ka 🙄
LoS - 5% knha se aaya?
sir ji plzz
N1,n2,y1,X1
Bta dijiye
An IT company wants to appoint an effective trainer to improve the performance of their engineers for group of 7 8 10 and 11 engineers from total 36 engineers were given five day training by the four trainers square awarded to the engineers at the end of the training of their skills letters examine the performance of one engineer of one trainer over the year 3 trainers
Last m samaj nhi aaya 5.60 kaha se aaya
Sir 5.60 kese aya
please remove video 2 of F test from Private Video sir
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Sir share table of F test
Ghnta n aya smj
S. X2= 228 mila
I couldn't find the f table!!!!
Thank u so much sir...🙏🏼🙏🏼
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