r- korrelatsioonitegur determinatsioonitegur t-statistik järelikult x ja y on korreleeritud z-statistik järelikult x ja y on korreleeritud 11. Leida ühefaktoriline lineaarne regressioonimudel y = b0 + b1 x ja analüüsida selle täpsust (võttes vastavates testides jm arvutustes olulisuse nivooks a = 0.05): 11.1 leida mudeli parameetrite hinnangud b0 ja b1 xi yi xiyi xi2 yi2 dxi dyi dxidyi dxi2 dyi2 1,00 2,80 8,90 24,92 7,84 79,21 -0,18 -2,16 0,39 0,03 4,67 2,00 5,10 19,30 98,43 26,01 372,49 2,12 8,24 17,47 4,49 67,90 3,00 3,70 13,10 48,47 13,69 171,61 0,72 2,04 1,47 0,52 4,16 4,00 2,20 6,80 14,96 4,84 46,24 -0,78 -4,26 3,32 0,61 18,15
. . , k õrr õ n j j j xi + yi + zi =0 i=1 xi yi zi 3n rts ts rts k rst sõ tst stõtt tt süst rr õ sst tt t 3n - k rtst tst üää k t õrrt t üü süst s trt dr1 , dr2 , . . . , drn rts dri = (dxi , dyi , dzi ) (i = 1, 2, . . . , n) s t tss t tst ät ä õrr tst st rs ss ss t t ts rr rst sst tst s äst s sü dt n j j j j dt + dxi + dyi + dzi =0 t i=1 xi yi zi s j = 1, 2, . . . , k ts srs õrr r j t t dt st s ssts tsts s j = 0, (j = 1, 2, . .
- ' ; c l a i nt h e t a s k R e a do u t s e n t e n c e1st o 7 a n d a s k B: That'strue.Face-to-face communication is dyi ancl ) s t o g u e s sw h a t k i n d o f i n f o r m a t i o ni s m i s s i n g ' peopleare spendingmore time communicat via nouns;2 - ':out't). noun;3 noun;4noun;5 nounperson;6noun; electronic
- ' ; c l a i nt h e t a s k R e a do u t s e n t e n c e1st o 7 a n d a s k B: That'strue.Face-to-face communication is dyi ancl ) s t o g u e s sw h a t k i n d o f i n f o r m a t i o ni s m i s s i n g ' peopleare spendingmore time communicat via nouns;2 - ':out't). noun;3 noun;4noun;5 nounperson;6noun; electronic
- ' ; c l a i nt h e t a s k R e a do u t s e n t e n c e1st o 7 a n d a s k B: That'strue.Face-to-face communication is dyi ancl ) s t o g u e s sw h a t k i n d o f i n f o r m a t i o ni s m i s s i n g ' peopleare spendingmore time communicat via nouns;2 - ':out't). noun;3 noun;4noun;5 nounperson;6noun; electronic
- ' ; c l a i nt h e t a s k R e a do u t s e n t e n c e1st o 7 a n d a s k B: That'strue.Face-to-face communication is dyi ancl ) s t o g u e s sw h a t k i n d o f i n f o r m a t i o ni s m i s s i n g ' peopleare spendingmore time communicat via nouns;2 - ':out't). noun;3 noun;4noun;5 nounperson;6noun; electronic
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