Pes dels nadons i paquets de cigarretes fumats per la mare

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Pes dels nadons i paquets de cigarretes fumats
per la mare
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cor(packs, lbwght) r -0.1406743
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Y 4.77 - 0.09 X (0.017)
-5.29
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plot(lm(lbwght packs))
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lm(lbwghtpacks) Coefficients (Intercept)
packs 4.76940 -0.08981
lm(packsfatheduc) Coefficients (Intercept)
fatheduc 0.31827 -0.01743
lm(packsmotheduc) Coefficients (Intercept)
motheduc 0.45216 -0.02688
lm(lbwghtmotheduc) Coefficients (Intercept)
motheduc 4.693388 0.005157
lm(lbwghtfatheduc) Coefficients (Intercept)
fatheduc 4.700098 0.005108