<prompt> Translate the following text to English2.1.1 Mbinu za makadirio ya pointi zina faida ya kutoa makadirio ya pointi ya mkusanyiko wa sumu inayosababisha kiasi fulani cha athari mbaya kuzuia ambayo usahihi wake unaweza kutathminiwa kwa kiasi.  <response>: 2.1 Point estimation techniques have the advantage of providing a point estimate of the toxicant concentration causing a given amount of adverse inhibiting effect, the precision of which can be quantitatively assessed 