Hypothesis Testing: Two-tailed z test for mean

This tutorial explains the basics of hypothesis testing. It also shows how to conduct a two-tailed hypothesis z-test for a population mean.

00:00 Intro
00:25 Hypotheses
00:45 Rejection regions
1:48 Critical values
04:13 Test statistic
04:23: Decision/Conclusion

[manaralenezi]

i couldn't understand my 2 hours lecture, but you explained it in 5 min in very clear easy way ! thank you

[gershondegbe]

I loved the explanations and the examples. This is the best among the ones I have watched so far. Thanks a lot

[hahahumble]

This is the best video about hypothesis testing I've ever seen on YouTube, thank you so much.😘

[FelixJensen-qrlu]

This guy is phenomenal! Saved my life with my stats final.

[reginasunday]

i feel so confident for my exam after this explanation. thank you so much.

[katelong]

Excellently designed examples to convey understanding of tables, confidence levels, AND Hypothesis testing! THANKS!

[honiajamal]

I cant thank you enough!! Your videos have helped me out so much on many different courses. Bless you

[siddharthsriram]

Amazing, best explanation in long time by anyone online or offline, BY FAR ! Thanks Emmanuel, God bless you !

[andre]

Great explanation!!! I was a little foggy before my test and this made everything very clear and simple. Thank you :)

[nguyenthao-uggw]

I went to school like 2 months for this lesson and can understand not a bit at all!!! But spend 30 mins on youtube, I gained back confidence. Well, I am not dumb. Thanks so much

[akhmedovjavokhir]

the easiest explanation. great job Joshua!

[destinyking]

This video is so helpful. Thank you so much. I did not understand allot from my Stats course, but this short video has made me understand the material in such a short time. God bless you.

[barbidoll]

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[dinushiperera]

Thank you for the clear teaching..I can get the clear understand about hypothesis testing from your guidance...

[sinaabedini]

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[xkpjknf]

Thankyou..student from Papua New Guinea 🇵🇬

[fnvlxim]

Thank you Joshua. I have been struggling with hypothesis all this while. You made it so simple.

[SunandMoon-]

your explanation and samples, are very logic for me to understand, very excellent, thank you very much

[gottabmocarful]

This video is everything. I love your explanations and examples which really made sense and helped me understand my material. I cant think you enough!!!!

[brazhell]

A very neat, precise and short explanation on this topic. Thank you very much!