11.08.2013 Views

Slika - Shrani.si

Slika - Shrani.si

Slika - Shrani.si

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

A. Juriˇ<strong>si</strong>ć in V. Batagelj: Verjetnostni račun in statistika 356<br />

✬<br />

✫<br />

. . . Metoda momentov<br />

Naj bo X : N(µ, σ). Tedaj je z1 = µ in z2 = σ 2 + µ 2 .<br />

Od tu dobimo µ = z1 in σ 2 = z2 − z 2 1.<br />

Ustrezni cenilki sta Z1 = X za µ in<br />

Z2 − Z 2 1 = X 2 − X 2 = S 2 0<br />

za σ 2 – torej vzorčno povprečje in disperzija.<br />

Univerza v Ljubljani ▲<br />

❙ ▲<br />

▲<br />

▲<br />

● ❙ ▲<br />

▲<br />

☛ ✖<br />

✩<br />

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!