The paper starts from the premise: why the statistical agencies do not select the quantitative vector of reference q out of the Lowe formula as being the monthly quantitative vector q0 that belongs to the transactions of the month 0.

By specific methods, statistics studies including the tendency of development, designed by the specific literature as the trend and, meantime, by trying to separate the influence of the major factors (with a systematic action), from the influence of the casual factors, which involve deviations...