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Harjoitus 7

Harjoitus 7. Estimoidaan saaliiksi saatujen silakoiden keskipainoa (m) Poimitaan saaliista satunnaisesti 20 silakkaa, jotka punnitaan (w). m. s. w i. i=1,…,20. jatkoa. p(m): m~N(30,sd=7) p(s): s~N(5, sd=3) ,s>0 p(w|m,s): w i ~N(m,sd=s)

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Harjoitus 7

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  1. Harjoitus 7 • Estimoidaan saaliiksi saatujen silakoiden keskipainoa (m) • Poimitaan saaliista satunnaisesti 20 silakkaa, jotka punnitaan (w) m s wi i=1,…,20

  2. jatkoa • p(m): m~N(30,sd=7) • p(s): s~N(5, sd=3) ,s>0 • p(w|m,s): wi~N(m,sd=s) • Estimoi keskipainon posteriorijakauma BUGSin avulla • Piirrä posteriorijakauman kuvaaja • Laske posteriorijakauman odotusarvo, hajonta, mediaani ja 95% tn väli • Laske P(m > 35| w) • Aiot punnita vielä yhden silakan. Laske ennustejakauma 21. silakan painolle.

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