lec. 11 – the normal distribution. differences among these plots?
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Lec. 11 – The Normal Distribution
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Differences among these plots?
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How to “standardize” (shift and stretch the Gaussian to a mean of 0 and a std. dev. of 1):
Note that “any linear function of the normal variable X, aX+b, where a and b are constants, also has a normal distribution with mean = am+b, and std. dev.= as
* See also “Comparing Normal Populations” in Davis, pp. 55-58.
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Standardization and the use of tables…
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Standard cumulative percentage table for a normally-distributed population
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Table of percentage points for a normally-distributed population
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Standardization to calculate exceedence
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But, we don’t want to be tethered to these tables…
Write a MATLAB code that calculates the values of the tables and displays them graphically (i.e. plot up the gaussian p.d.f. and its cumulative brother).