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hypothesis
hipótese

the chidist() function returns the probability value from the indicated chi square that a hypothesis is confirmed.
a función chidist () devolve o valor da probabilidade do chi cadrado indicado para o cal se confirma unha hipótese.

chidist compares the chi square value to be given for a random sample that is calculated from the sum of (observed value-expected value)^2/ expected value for all values with the theoretical chi square distribution and determines from this the probability of error for the hypothesis to be tested.
chidist calcula o valor do chi- cadrado a ser dado para unha mostra aleatoria, calculado a partir da suma do (valor observado- valor esperado) ^2/ valor esperado para todos os valores coa distribuición chi cadrado teórica, e determina a partir desta a probabilidade de erro da hipótese a testar.