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Tutorial 18-Hypothesis Testing And Statistical Analysis Using T Test

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A t test is a statistical test that is used to compare the means of two groups. It is often used in hypothesis testing to determine whether a process or treatment actually has an effect on the population of interest, or whether two groups are different from one another.
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Опубликовано:

6 сен 2024

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Комментарии : 69

@sanketdeshmukh415 11 месяцев назад

Acceptance range will be - 1.311 to 1.311 T value will be same as 10.96. So Reject the null hypothesis

@mahalaxmiindapure8961 7 месяцев назад

for Confidence Interval = 80 , Answer ----decision boundary between -1.311 and + 1.311, t-score= 10.96 therefore we reject null hypothesis

@sumitkoshti1171 5 месяцев назад

Mue = 100 X = 140 n = 30 CI = 80% Sample standard deviation s = 20 1. Hypothesis H0 : Mue equal to 100, H1 : Mue not equal to 100 2. Let's find significance value alfa, alfa = 1-CI alfa= 1-0.8 alfa = 0.2 or 20% 3. Let's find decision boundary, as it's two tailed test, Alfa = 0.2 And degree of Freedom = n-1 = 30-1 = 29 So, For Alfa = 0.2 and Dof = 29 the Decision boundary from T able is +-1.311 Decision Rule : If T-test value is less than -1.311 or greater than +1.311 then we reject the null hypothesis. 4. Now calculate T test value T = X-mue/s/under root n T = 10.95 5. Conclusion : As t-test value 10.95 is greater than 1.311, We reject the null hypothesis which means that medication gives us positive impact and helps to gain intelligence.

@akhilrana07 21 день назад

acceptance range will be (-1.311) to (+1.311) T test value will be the same as the first example so, we reject the null hypothesis

@sakshiojha1736 Год назад

Please complete the stats tutorial. Its wonderful.

@Nandinisingh822 11 месяцев назад

You can watch 7 days stats live Playlist....available on krish naik channel

@mujibai 10 месяцев назад

thanks dear@@Nandinisingh822

@user-ec5ws1uf4h 9 месяцев назад

Sir, please 🙏 continue this stat series, it’s actually very interesting.. pls upload next topics

@rutvikprajapati8623 9 месяцев назад

Thank you Sir and Range for 2 tail is -1.699 to +1.699

@44.sanyuktatarte46 9 месяцев назад

It helps alot.. especially for students who have medical background n they fear maths..it helped me alot.. thankyou so much.

@vinaypritwani 11 месяцев назад

Sir please complete the stats series, its amazing!

@UbaidAli-tz4wu Год назад

sir complete the playlist ASAP

@rubayetalam8759 Год назад

another wonderful lecture, thank you very much.

@shashankbadoni6694 6 месяцев назад

range is from -1.311 to 1.311 , t = 10.96 hence we reject the null hypothesis and the result of medicine is +ve on the people.

@sunnymalhotra203 Год назад

Thanks krish for such a valuable tutorial. It's my humble Request to improve the hand writing and would be great if you share notes in pdf format as well.

@akhilrana07 21 день назад

thank you so much krish sir❤

@kaushalbachhav1996 Год назад

your video is most valuable . make more video on interview preparation Thank so such valuable time and teching thank so much sir

@princephogat3527 Год назад

Sir, I recently purchased the Tech Neuron Subscription but now I'm confused between data science courses plz tell me which one is the latest one or do I've to study first bcos I'm a beginner and don't know about programming, plz sir help me out to choose the course by which I can learn from basic to advance.

@durgasahoo5115 5 месяцев назад

Sir if population sd is not given but still sample size is greater than 30 What to do

@hardsoul00 10 месяцев назад

kiya khoob or asaaan samjhaya ap ne Thanks

@prateekpal2249 9 месяцев назад

the standard deviation given was for the sample not for the population so we could have directly used it instead of dividing it by sqrt(n). Can anyone please explain??

@iqrajannat Год назад

sir completed with the playlist, waiting for more videos, thanksyou for putting efforts for us

@prathambharti5177 11 месяцев назад

Sir how many video will there be in Playlist?

@anshukaurav2896 2 месяца назад

if sample size =>30 then we used z-test , if

@parulraj1941 11 месяцев назад

Please sir complete the playlist...

@rohitrohit6883 Год назад

wonderful class for t test

@alphapoint389 6 месяцев назад

Sir how formulas are derived?

@user-vb5hh7rw3s 11 месяцев назад

decision boundary is coming 1.645 to right and -1.645 to left and t value is same as before so we should reject null hypothesis

@Shashank_Masurkar Год назад

when will be the next videos uploaded?

@harshaddeshmukh2935 Год назад

sir next video plz: chi-square test & annova test

@Newtips-il7rf Год назад

sir how to calculate regression with pearson`s r

@ashishvinod2193 9 месяцев назад

T table value = 1.311 and our T test calculated value remains as it is 10.96.. T test calculated value > t table value so reject the null hypothesis and this medicine increase the IQ people..

@ashishvinod2193 9 месяцев назад

please continue the statistics playlist sir.because Placements are near.

@Newtips-il7rf Год назад

sir how to calculate Regression with standard deviation formula

@vaibhav1757 Год назад

sir please upload videos on further topics, i have exams in the end of this month plzz . ITS A REQUEST

@hardsoul00 10 месяцев назад

Amazing sir g love u

@h_rahul09 8 месяцев назад

Sir please complete the Stats series

@Bharatverse308 8 месяцев назад

So Z test me degree of freedom use nhj hota? Right

@h_rahul09 8 месяцев назад

Sir please Continue Statistics series ❤

@h_rahul09 8 месяцев назад

Sir please complete statistics series

@BCA_KA_BANDA2003 Год назад

Sir, please🙏🙏🙏 complete this statistics tutorial.

@ajay2saroha Год назад

Sir, Is this is complete playlist of stats for data science

@sheikmuizzahmed2308 Год назад

can someone please tell me if this series is complete? Can I rely on this playlist?

@amitmishra1303 Год назад

Only 2test are pending which i hope @krish Sir will upload soon

@rohitrohit6883 Год назад

according to me if C.I. = 80% then our conclusion Reject Null Hypothesis. (t value=10.96) which is greater than boundary value i.e , +1.311

@rohitrohit6883 Год назад

sir please give further videos on stats.

@MovieOk-p8q Год назад

Please complete playlist

@hardsoul00 10 месяцев назад

LOVE U SIR G

@aishwaryapapuli Год назад

Sir can you please upload the nxt course

@gautampandey2720 11 месяцев назад

add video of annova test quickly sir

@pr_ateek 11 месяцев назад

Sir please complete ANOVA test

@altmash7872 Месяц назад

sir mera CI 0.2 araha hyen T table me kya ho ga

@BhagwatGeeta_s 11 месяцев назад

sir please completed this tutorial i am waiting for your next videos

@divyapandey7844 Год назад

we will reject the null hypothesis because acceptance area for CI=80% is 1.31

@kdasurrenderedsoul7613 8 месяцев назад

Hare Krishna 😊

@sauravjha1714 Год назад

Try to make video without the two tail test case!!! It will be helpful!

@sunilkushwaha5642 Год назад

Krish ji next tutorial kab tk aayegi . Kuch update ?

@Kiranputraakash138 Год назад

Sir please upload new lecture

@sagarkakade1993 Год назад

Sir next video please

@raviprakashrai990 Год назад

Sir please video upload kariye

@loveyourself1291 Год назад

Sir video upload kijiye sir plz

@fenisha-hb6yf 2 месяца назад

well the simplicity of teaching method is commendable!!🤌🤌🤌

@importantforlifeyasharora9042 2 месяца назад

Jo tmne padha use yaad karke yaha padha rahe ho. Tumhe smjh amb ni ata.

@RamaKrishna-ll8iz Год назад

Acceptance range will be - 1.311 to 1.311 T value will be same as 10.96. So Reject the null hypothesis

@samarthyadav4274 9 месяцев назад

Same

@macn2922 8 месяцев назад

Same

@hamza_shakeel30 11 месяцев назад

Please complete the stats tutorial. Its wonderful.

@h_rahul09 8 месяцев назад

Sir please complete statistics series