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6 REPLIES 6
Godzilla_Hat
Obsidian | Level 7
data elevator;
	Mean = 1000;
	Sigma = 150;
	Input X;

p = CDF('Normal',x,Mean,Sigma);


Pdiff = CDF('Normal',850,Mean,Sigma) -CDF('Normal',1150,Mean,Sigma);
drop sigma mean;

This is what I wrote so far. How would I implement the code that uses the empirical rule of 68%,95%, and 99.7%. I understand that I must add and subtract the standard deviation from the mean but how would that look like in code ?

Reeza
Super User
You almost have the 68% one - check your output and rethink the direction of your subtraction.

You can do basic math but it says you need to use cards/datalines so you can do the math in your head and just pass them to SAS, no need to make it harder than that.
Godzilla_Hat
Obsidian | Level 7

Thank you ! I think I got it. How does this look ?

data elevator;
infile datalines dlm=','; 
	Mean = 1000;
	Sigma = 150;
Input X Y;

Pdiff = CDF('Normal',X,Mean,Sigma) - CDF('Normal',Y,Mean,Sigma);

drop sigma mean;
datalines;
850,1150
700,1300
550,1450
;
proc print data=elevator;
run;

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