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- #include <iostream.h>
- #include <math.h>
- void main ()
- {
- int n,i;
- float acum,prom,std,acumonsta,acumuloco;
- float a[9999];
- cin>>n;
- acum=0;
- for (i=0;i<=n;i=i+1)
- {
- a[i]=i;
- acum=acum+(a[i]);
- }
- prom=(acum/n);
- cout<<prom<<"\n";
- for (i=0;i<n;i=i+1)
- {
- acumonsta=pow(a[i]-prom,2);
- acumuloco=acumuloco+acumonsta;
- }
- std=(acumuloco/(n-1));
- cout<<std;
- }
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