A comparison between the Maximum likelihood method-and the least squares method for the (Shifted Gompertz) distribution using simulation

Abstract

Devices suffer during working hours many holidays and sudden stops, and these holidays may be mechanical or electrical failures that may affect the device or the machine, so it was necessary to study the reasons for these stops, as the technological and technical development led to the growing interest in studying the issue of reliability, which is one of the important topics that It is an indicator for expressing the performance of any operating system, and it has received attention in order to determine the efficiency of the machine in terms of filling it without failure for the longest possible period in order to avoid sudden stops for it and to search for the causes of holidays and stops that occur to devices, machines and equipment which in turn leads to maintaining the optimum productivity of the equipment and determining the duration If these devices stop working for a period of time, or their  failure to perform their functions for a period of time, or their failure to perform functions during work, this leads to high material losses and a decrease in the level of production.