Another Hypothesis Testing Example.wmv 

You saved my life for this exam, cannot thank you enough

i was sort of understanding hypothesis testing before, but your videos are really helping to smooth things out for me. thanks so much!

I was scared of failing my sampling and hypothesis testing exam until I came across your videos.. thanks!!

Your video is clear and easy to learn!!! You just save my assignment!! Thank You!!

great lecturing, crystal clear explanations...... wooow i'm grateful

Very excellent presentation!! Blessings.. 🙏

thanks for upload this kind of video. It's make me feel relax...my understanding become more better....

really good and helpful. thank you

thank you

my prof says that we reject null hypothesis if z computed is larger than critical z ! I'm confused now :/

why did you just assume the 5% significance level?

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