emlinharegressao11:   Regressão linear de um preditor de variáveis    ⇒   y = f(x)

Fórmulas

β = [Σ(xy)-(ΣxΣy)/n]/{Σ(x2)-[(Σx)2/n]}

α = [Σy-(βΣx)]/n

Referência

Ponce, V. M. 2014. Engineering Hydrology, Principles and Practices, online text.
Exemplo
DADOS:

Digite a ordem de n:     

Digite valores emparelhados de y and x (separe cada valor com uma vírgula; comprimento máximo é de 300 caracteres).

y:     

x:     

Exemplo de dados:

n =  

y(1) =  .   

x(1) =  .   

RESULTADO:

α =       β =       Desvio padrão sx =       Desvio padrão sy =

Coeficiente de correlação r =       Erro padrão de estimativa se =

            

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