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- #sa se citeasca datele sa se extraga cele 3 coloane in variabilele id varsta si salariu
- #sa se afiseze nr de salariati ai firmei
- #sa se calculeze salariul mediu al angajatilor
- #calc media, dispertia(varianta) si mediana variabilei varsta
- a =dlmread('fis.txt');
- n =rows(a)
- id = a(:,1);
- varsta = a(:,2);
- salariu = a(:,3);
- mean(salariu)
- mean(varsta)
- median(varsta)
- disp("dispersia:")
- d=0
- for i=1:n
- d+=(varsta(i)-mean(varsta))^2;
- endfor
- disp(d/(n-1))
- var(varsta)
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