P Values, z Scores, Alpha, Critical Values

A visual tutorial on p values, critical values, z scores and alpha. Video includes how they are related.

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Professor of the Universe: David Longstreet

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[jorgeisaliveandfeeling]

I am a student who is neurodiverse, that struggles when learning is limited to the classroom setting, time, presentation etc... and your mission is so helpful to me. Thank you so much for what you do.

[richardyan]

I have learnt the concept of p-value for more than 8 years and this is the first time that I fully understand the meaning of it with your straightforward illustration! Appreciate it!

[eriklabuschagne]

3rd year stats student, still watches videos on what p-value is. Excellent video, thank you!

[rudramukherjee]

I am finance professional, with age (42 now) I forget the concepts sometimes as i always believe to be rooted to the basics and thank you so much for your graphics and so well explained

[neurorn]

Great simple graphics, no fancy professional statistician language to fly over my head. Finally FINALLY go these meanings. Thanks so much.

[azizanianugrahadi]

thank you for the explanation. I'm a statistics major student, but i barely remember this things and just trying to find out about the meaning of p-value again before my exam. I really appreciated your video. Thank you!

[shirleykhai]

After receiving many explanations, I now FINALLY understand it thanks to you. Thank you for sharing your knowledge!

[tedtdu]

no linked video for critical value dude

[Selinyanik]

I cannot thank enough for the videos! You literally saved my academic life!

[assemsalama]

I really wanted to say thanks to you because with this small, simple video and your outstanding illustration approach, you helped me to get my Udacity practical statistic project done as a part of their data analyst nano-degree. Thank you so much

[knarikhovhanisian]

You are the best thing to happen to me in Youtube !!!Finally i really got what is alpha and p value!

[mennaxart]

Finally, I've understood the p-value actual meaning from this video
Thank you very much!

[anirudhdad]

If only i had found this channel before my exams
damn

[bikegirl]

Wow...so clear, concise, and easy to understand. Thank you!! I WAS struggling with the distinctions until THIS video. My LOC has increased:;)

[alirezasadeghimanesh]

Really a good video. You have a good methodology of teaching. It became much more clear for me after watching this video. 

But PLEASE upload the links you have mentioned several times in the video!

[DebbieFBI]

there is no link in the there to tell us were the 1.96 comes from

[akshitmiglani]

I've watched a million videos on youtube and nothing compares with this, finally i understand p.

[akeithkira]

well explained !! Nothing better than making it understandable. You are better than books!!!

[robinthegrape]

This is one of the best videos I have found explaining these concepts. Thanks a bunch!!

[Vikermajit]

Thank you sir, your explanation has shed some light into my clouded mind when it comes to inferential statistics.