compare the area under normal and standard normal curve

Channel:
Malaysia Mr Lim
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Published on ● Video Link: https://www.youtube.com/watch?v=sKXOAbdFnrA


Duration: 4:30
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In this video, I had used two normal curve to compare with the standard normal curve by using Graphmatica. We will found that the area under the normal curve and the area under the standard normal curve after transform with z = (X-miu)/sigma is same.

We will find that all normal function can change to standard normal function to get the probability.

This explain why we will change a probability for normal curve to probability for standard normal curve before we find the area under the curve.

That's why most of the statistics subject will use standard normal curve table to find the probability.

power point can download from:
http://www.scribd.com/doc/76740074



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Tags:
normal distribution
standard normal distribution
statistics
graphmatica